schemas/uniprot.xsd

   1 <?xml version="1.0" encoding="UTF-8"?>
   2 <!-- *****************************************************************************
   3         UniProt Knowledgebase
   4         Version:        $Revision: 1.3 $
   5         Date:           $Date: 2015/04/07 15:00:57 $
   6
   7         Copyright (c) 2011 UniProt consortium
   8         All rights reserved.
   9 *******************************************************************************-->
  10 <xs:schema targetNamespace="http://uniprot.org/uniprot" xmlns:xs="http://www.w3.org/2001/XMLSchema"
  11            xmlns="http://uniprot.org/uniprot" elementFormDefault="qualified">
  12     <!-- XML Schema definition for the UniProtKB XML format
  13          Tested with:
  14          -XSV (XML Schema Validator), http://www.w3.org/2001/03/webdata/xsv
  15          -->
  16     <!-- Root element definition begins -->
  17     <xs:element name="uniprot">
  18         <xs:annotation>
  19             <xs:documentation>Describes a collection of UniProtKB entries.</xs:documentation>
  20         </xs:annotation>
  21         <xs:complexType>
  22             <xs:sequence>
  23                 <xs:element ref="entry" maxOccurs="unbounded"/>
  24                 <xs:element ref="copyright" minOccurs="0"/>
  25             </xs:sequence>
  26         </xs:complexType>
  27     </xs:element>
  28     <!-- Root element definition ends -->
  29
  30     <!-- Entry definition begins -->
  31     <xs:element name="entry">
  32         <xs:annotation>
  33             <xs:documentation>Describes a UniProtKB entry.</xs:documentation>
  34         </xs:annotation>
  35         <xs:complexType>
  36             <xs:sequence>
  37                 <xs:element name="accession" type="xs:string" maxOccurs="unbounded"/>
  38                 <xs:element name="name" type="xs:string" maxOccurs="unbounded"/>
  39                 <xs:element name="protein" type="proteinType"/>
  40                 <xs:element name="gene" type="geneType" minOccurs="0" maxOccurs="unbounded"/>
  41                 <xs:element name="organism" type="organismType" />
  42                 <xs:element name="organismHost" type="organismType" minOccurs="0" maxOccurs="unbounded"/>
  43                 <xs:element name="geneLocation" type="geneLocationType" minOccurs="0" maxOccurs="unbounded"/>
  44                 <xs:element name="reference" type="referenceType" maxOccurs="unbounded"/>
  45                 <xs:element name="comment" type="commentType" nillable="true" minOccurs="0" maxOccurs="unbounded"/>
  46                 <xs:element name="dbReference" type="dbReferenceType" minOccurs="0" maxOccurs="unbounded"/>
  47                 <xs:element name="proteinExistence" type="proteinExistenceType"/>
  48                 <xs:element name="keyword" type="keywordType" minOccurs="0" maxOccurs="unbounded"/>
  49                 <xs:element name="feature" type="featureType" minOccurs="0" maxOccurs="unbounded"/>
  50                 <xs:element name="evidence" type="evidenceType" minOccurs="0" maxOccurs="unbounded"/>
  51                 <xs:element name="sequence" type="sequenceType"/>
  52             </xs:sequence>
  53             <xs:attribute name="dataset" use="required">
  54                 <xs:simpleType>
  55                     <xs:restriction base="xs:string">
  56                         <xs:enumeration value="Swiss-Prot"/>
  57                         <xs:enumeration value="TrEMBL"/>
  58                     </xs:restriction>
  59                 </xs:simpleType>
  60             </xs:attribute>
  61             <xs:attribute name="created" type="xs:date" use="required"/>
  62             <xs:attribute name="modified" type="xs:date" use="required"/>
  63             <xs:attribute name="version" type="xs:int" use="required"/>
  64         </xs:complexType>
  65     </xs:element>
  66     <!-- Entry definition ends -->
  67
  68     <xs:element name="copyright" type="xs:string"/>
  69
  70     <!-- Protein names definition begins -->
  71     <xs:complexType name="proteinType">
  72         <xs:annotation>
  73             <xs:documentation>Describes the names for the protein and parts thereof.
  74             Equivalent to the flat file DE-line.</xs:documentation>
  75         </xs:annotation>
  76         <xs:sequence>
  77             <xs:group ref="proteinNameGroup"/>
  78             <xs:element name="domain" minOccurs="0" maxOccurs="unbounded">
  79                 <xs:annotation>
  80                     <xs:documentation>Describes names of "domains".
  81                     Equivalent to the flat file DE-line Includes: section.</xs:documentation>
  82                 </xs:annotation>
  83                 <xs:complexType>
  84                     <xs:group ref="proteinNameGroup"/>
  85                 </xs:complexType>
  86             </xs:element>
  87             <xs:element name="component" minOccurs="0" maxOccurs="unbounded">
  88                 <xs:annotation>
  89                     <xs:documentation>Describes names of processed products.
  90                     Equivalent to the flat file DE-line Contains: section.</xs:documentation>
  91                 </xs:annotation>
  92                 <xs:complexType>
  93                     <xs:group ref="proteinNameGroup"/>
  94                 </xs:complexType>
  95             </xs:element>
  96         </xs:sequence>
  97     </xs:complexType>
  98     <xs:group name="proteinNameGroup">
  99         <xs:sequence>
 100             <xs:element name="recommendedName" minOccurs="0">
 101                 <xs:complexType>
 102                     <xs:sequence>
 103                         <xs:element name="fullName" type="evidencedStringType"/>
 104                         <xs:element name="shortName" type="evidencedStringType" minOccurs="0" maxOccurs="unbounded"/>
 105                         <xs:element name="ecNumber" type="evidencedStringType" minOccurs="0" maxOccurs="unbounded"/>
 106                     </xs:sequence>
 107                     <!-- xs:attribute name="ref" type="xs:string" use="optional"/ -->
 108                 </xs:complexType>
 109             </xs:element>
 110             <xs:element name="alternativeName" minOccurs="0" maxOccurs="unbounded">
 111                 <xs:complexType>
 112                     <xs:sequence>
 113                         <xs:element name="fullName" type="evidencedStringType" minOccurs="0"/>
 114                         <xs:element name="shortName" type="evidencedStringType" minOccurs="0" maxOccurs="unbounded"/>
 115                         <xs:element name="ecNumber" type="evidencedStringType" minOccurs="0" maxOccurs="unbounded"/>
 116                     </xs:sequence>
 117                     <!-- xs:attribute name="ref" type="xs:string" use="optional"/ -->
 118                 </xs:complexType>
 119             </xs:element>
 120             <xs:element name="submittedName" minOccurs="0" maxOccurs="unbounded">
 121                 <xs:complexType>
 122                     <xs:sequence>
 123                         <xs:element name="fullName" type="evidencedStringType"/>
 124                         <xs:element name="ecNumber" type="evidencedStringType" minOccurs="0" maxOccurs="unbounded"/>
 125                     </xs:sequence>
 126                     <!-- xs:attribute name="ref" type="xs:string" use="optional"/ -->
 127                 </xs:complexType>
 128             </xs:element>
 129             <xs:element name="allergenName" type="evidencedStringType" minOccurs="0"/>
 130             <xs:element name="biotechName" type="evidencedStringType" minOccurs="0"/>
 131             <xs:element name="cdAntigenName" type="evidencedStringType" minOccurs="0" maxOccurs="unbounded"/>
 132             <xs:element name="innName" type="evidencedStringType" minOccurs="0" maxOccurs="unbounded"/>
 133         </xs:sequence>
 134     </xs:group>
 135     <!-- Protein names definition ends -->
 136
 137     <!-- Gene names definition begins -->
 138     <xs:complexType name="geneType">
 139         <xs:annotation>
 140             <xs:documentation>Describes a gene.
 141             Equivalent to the flat file GN-line.</xs:documentation>
 142         </xs:annotation>
 143         <xs:sequence>
 144             <xs:element name="name" type="geneNameType" maxOccurs="unbounded"/>
 145         </xs:sequence>
 146     </xs:complexType>
 147     <xs:complexType name="geneNameType">
 148         <xs:annotation>
 149             <xs:documentation>Describes different types of gene designations.
 150             Equivalent to the flat file GN-line.</xs:documentation>
 151         </xs:annotation>
 152         <xs:simpleContent>
 153             <xs:extension base="xs:string">
 154                 <xs:attribute name="evidence" type="intListType" use="optional"/>
 155                 <xs:attribute name="type" use="required">
 156                     <xs:simpleType>
 157                         <xs:restriction base="xs:string">
 158                             <xs:enumeration value="primary"/>
 159                             <xs:enumeration value="synonym"/>
 160                             <xs:enumeration value="ordered locus"/>
 161                             <xs:enumeration value="ORF"/>
 162                         </xs:restriction>
 163                     </xs:simpleType>
 164                 </xs:attribute>
 165             </xs:extension>
 166         </xs:simpleContent>
 167     </xs:complexType>
 168     <!-- Gene names definition ends -->
 169
 170     <!-- Organism definition begins -->
 171     <xs:complexType name="organismType">
 172         <xs:annotation>
 173             <xs:documentation>Describes the source organism.</xs:documentation>
 174         </xs:annotation>
 175         <xs:sequence>
 176             <xs:element name="name" type="organismNameType" maxOccurs="unbounded">
 177                 <xs:annotation>
 178                     <xs:documentation>Describes the names of the source organism.
 179                     Equivalent to the flat file OS-line.</xs:documentation>
 180                 </xs:annotation>
 181             </xs:element>
 182             <xs:element name="dbReference" type="dbReferenceType" maxOccurs="unbounded">
 183                 <xs:annotation>
 184                     <xs:documentation>Describes a cross-reference to the NCBI taxonomy database.
 185                     Equivalent to the flat file OX-line.</xs:documentation>
 186                 </xs:annotation>
 187             </xs:element>
 188             <xs:element name="lineage" minOccurs="0">
 189                 <xs:annotation>
 190                     <xs:documentation>Describes the lineage of the source organism.
 191                     Equivalent to the flat file OC-line.</xs:documentation>
 192                 </xs:annotation>
 193                 <xs:complexType>
 194                     <xs:sequence>
 195                         <xs:element name="taxon" type="xs:string" maxOccurs="unbounded"/>
 196                     </xs:sequence>
 197                 </xs:complexType>
 198             </xs:element>
 199         </xs:sequence>
 200         <xs:attribute name="evidence" type="intListType" use="optional"/>
 201     </xs:complexType>
 202     <xs:complexType name="organismNameType">
 203         <xs:annotation>
 204             <xs:documentation>Describes different types of source organism names.</xs:documentation>
 205         </xs:annotation>
 206         <xs:simpleContent>
 207             <xs:extension base="xs:string">
 208                 <xs:attribute name="type" use="required">
 209                     <xs:simpleType>
 210                         <xs:restriction base="xs:string">
 211                             <xs:enumeration value="common"/>
 212                             <xs:enumeration value="full"/>
 213                             <xs:enumeration value="scientific"/>
 214                             <xs:enumeration value="synonym"/>
 215                             <xs:enumeration value="abbreviation"/>
 216                         </xs:restriction>
 217                     </xs:simpleType>
 218                 </xs:attribute>
 219             </xs:extension>
 220         </xs:simpleContent>
 221     </xs:complexType>
 222     <!-- Organism definition ends -->
 223
 224     <!-- Gene location definition begins -->
 225     <xs:complexType name="geneLocationType">
 226         <xs:annotation>
 227             <xs:documentation>Describes non-nuclear gene locations (organelles and plasmids).
 228             Equivalent to the flat file OG-line.</xs:documentation>
 229         </xs:annotation>
 230         <xs:sequence>
 231             <xs:element name="name" type="statusType" minOccurs="0" maxOccurs="unbounded"/>
 232         </xs:sequence>
 233         <xs:attribute name="type" use="required">
 234             <xs:simpleType>
 235                 <xs:restriction base="xs:string">
 236                     <xs:enumeration value="apicoplast"/>
 237                     <xs:enumeration value="chloroplast"/>
 238                     <xs:enumeration value="organellar chromatophore"/>
 239                     <xs:enumeration value="cyanelle"/>
 240                     <xs:enumeration value="hydrogenosome"/>
 241                     <xs:enumeration value="mitochondrion"/>
 242                     <xs:enumeration value="non-photosynthetic plastid"/>
 243                     <xs:enumeration value="nucleomorph"/>
 244                     <xs:enumeration value="plasmid"/>
 245                     <xs:enumeration value="plastid"/>
 246                 </xs:restriction>
 247             </xs:simpleType>
 248         </xs:attribute>
 249         <xs:attribute name="evidence" type="intListType" use="optional"/>
 250     </xs:complexType>
 251     <xs:complexType name="statusType">
 252         <xs:annotation>
 253             <xs:documentation>Indicates whether the name of a plasmid is known or unknown.</xs:documentation>
 254         </xs:annotation>
 255         <xs:simpleContent>
 256             <xs:extension base="xs:string">
 257                 <xs:attribute name="status" use="optional" default="known">
 258                     <xs:simpleType>
 259                         <xs:restriction base="xs:string">
 260                             <xs:enumeration value="known"/>
 261                             <xs:enumeration value="unknown"/>
 262                         </xs:restriction>
 263                     </xs:simpleType>
 264                 </xs:attribute>
 265             </xs:extension>
 266         </xs:simpleContent>
 267     </xs:complexType>
 268     <!-- Gene location definition ends -->
 269
 270     <!-- Reference definition begins -->
 271     <xs:complexType name="referenceType">
 272         <xs:annotation>
 273             <xs:documentation>Describes a citation and a summary of its content.
 274             Equivalent to the flat file RN-, RP-, RC-, RX-, RG-, RA-, RT- and RL-lines.</xs:documentation>
 275         </xs:annotation>
 276         <xs:sequence>
 277             <xs:element name="citation" type="citationType"/>
 278             <xs:group ref="sptrCitationGroup"/>
 279         </xs:sequence>
 280         <xs:attribute name="evidence" type="intListType" use="optional"/>
 281         <xs:attribute name="key" type="xs:string" use="required"/>
 282     </xs:complexType>
 283     <!-- Reference definition ends -->
 284
 285     <!-- Citation definition begins -->
 286     <xs:complexType name="citationType">
 287         <xs:annotation>
 288             <xs:documentation>Describes different types of citations.
 289             Equivalent to the flat file RX-, RG-, RA-, RT- and RL-lines.</xs:documentation>
 290         </xs:annotation>
 291         <xs:sequence>
 292             <xs:element name="title" type="xs:string" minOccurs="0">
 293                 <xs:annotation>
 294                     <xs:documentation>Describes the title of a citation.
 295                     Equivalent to the flat file RT-line.</xs:documentation>
 296                 </xs:annotation>
 297             </xs:element>
 298             <xs:element name="editorList" type="nameListType" minOccurs="0">
 299                 <xs:annotation>
 300                     <xs:documentation>Describes the editors of a book (only used for books).
 301                     Equivalent to part of the flat file RL-line of books.</xs:documentation>
 302                 </xs:annotation>
 303             </xs:element>
 304             <xs:element name="authorList" type="nameListType" minOccurs="0">
 305                 <xs:annotation>
 306                     <xs:documentation>Describes the authors of a citation.
 307                     Equivalent to the flat file RA-line.</xs:documentation>
 308                 </xs:annotation>
 309             </xs:element>
 310             <xs:element name="locator" type="xs:string" minOccurs="0">
 311                 <xs:annotation>
 312                     <xs:documentation>Describes the location (URL) of an online journal article.
 313                     No flat file equivalent.</xs:documentation>
 314                 </xs:annotation>
 315             </xs:element>
 316             <xs:element name="dbReference" type="dbReferenceType" minOccurs="0" maxOccurs="unbounded">
 317                 <xs:annotation>
 318                     <xs:documentation>Describes cross-references to bibliography databases (MEDLINE, PubMed, AGRICOLA) or other online resources (DOI).
 319                     Equivalent to the flat file RX-line.</xs:documentation>
 320                 </xs:annotation>
 321             </xs:element>
 322         </xs:sequence>
 323         <xs:attribute name="type" use="required">
 324             <xs:annotation>
 325                 <xs:documentation>Describes the type of a citation.</xs:documentation>
 326             </xs:annotation>
 327             <xs:simpleType>
 328                 <xs:restriction base="xs:string">
 329                     <xs:enumeration value="book"/>
 330                     <xs:enumeration value="journal article"/>
 331                     <xs:enumeration value="online journal article"/>
 332                     <xs:enumeration value="patent"/>
 333                     <xs:enumeration value="submission"/>
 334                     <xs:enumeration value="thesis"/>
 335                     <xs:enumeration value="unpublished observations"/>
 336                 </xs:restriction>
 337             </xs:simpleType>
 338         </xs:attribute>
 339         <xs:attribute name="date" use="optional">
 340             <xs:simpleType>
 341                 <xs:union memberTypes="xs:date xs:gYearMonth xs:gYear"/>
 342             </xs:simpleType>
 343         </xs:attribute>
 344         <xs:attribute name="name" type="xs:string" use="optional">
 345             <xs:annotation>
 346                 <xs:documentation>Describes the name of an (online) journal or book.</xs:documentation>
 347             </xs:annotation>
 348         </xs:attribute>
 349         <xs:attribute name="volume" type="xs:string" use="optional">
 350             <xs:annotation>
 351                 <xs:documentation>Describes the volume of a journal or book.</xs:documentation>
 352             </xs:annotation>
 353         </xs:attribute>
 354         <xs:attribute name="first" type="xs:string" use="optional">
 355             <xs:annotation>
 356                 <xs:documentation>Describes the first page of an article.</xs:documentation>
 357             </xs:annotation>
 358         </xs:attribute>
 359         <xs:attribute name="last" type="xs:string" use="optional">
 360             <xs:annotation>
 361                 <xs:documentation>Describes the last page of an article.</xs:documentation>
 362             </xs:annotation>
 363         </xs:attribute>
 364         <xs:attribute name="publisher" type="xs:string" use="optional">
 365             <xs:annotation>
 366                 <xs:documentation>Describes the publisher of a book.</xs:documentation>
 367             </xs:annotation>
 368         </xs:attribute>
 369         <xs:attribute name="city" type="xs:string" use="optional">
 370             <xs:annotation>
 371                 <xs:documentation>Describes the city where a book was published.</xs:documentation>
 372             </xs:annotation>
 373         </xs:attribute>
 374         <xs:attribute name="db" type="xs:string" use="optional">
 375             <xs:annotation>
 376                 <xs:documentation>Describes the database name of submissions.</xs:documentation>
 377             </xs:annotation>
 378         </xs:attribute>
 379         <xs:attribute name="number" type="xs:string" use="optional">
 380             <xs:annotation>
 381                 <xs:documentation>Describes a patent number.</xs:documentation>
 382             </xs:annotation>
 383         </xs:attribute>
 384         <xs:attribute name="institute" type="xs:string" use="optional">
 385             <xs:annotation>
 386                 <xs:documentation>Describes the institute where a thesis was made.</xs:documentation>
 387             </xs:annotation>
 388         </xs:attribute>
 389         <xs:attribute name="country" type="xs:string" use="optional">
 390             <xs:annotation>
 391                 <xs:documentation>Describes the country where a thesis was made.</xs:documentation>
 392             </xs:annotation>
 393         </xs:attribute>
 394     </xs:complexType>
 395     <xs:complexType name="consortiumType">
 396         <xs:annotation>
 397             <xs:documentation>Describes the authors of a citation when these are represented by a consortium.
 398             Equivalent to the flat file RG-line.</xs:documentation>
 399         </xs:annotation>
 400         <xs:attribute name="name" type="xs:string" use="required"/>
 401     </xs:complexType>
 402     <xs:complexType name="personType">
 403         <xs:attribute name="name" type="xs:string" use="required"/>
 404     </xs:complexType>
 405     <xs:complexType name="nameListType">
 406         <xs:choice maxOccurs="unbounded">
 407             <xs:element name="consortium" type="consortiumType"/>
 408             <xs:element name="person" type="personType"/>
 409         </xs:choice>
 410     </xs:complexType>
 411     <!-- Citation definition ends -->
 412
 413     <!-- Citation summary definition begins -->
 414     <xs:group name="sptrCitationGroup">
 415         <xs:annotation>
 416             <xs:documentation>Groups a citation's scope and source descriptions.</xs:documentation>
 417         </xs:annotation>
 418         <xs:sequence>
 419             <xs:element name="scope" type="xs:string" maxOccurs="unbounded">
 420                 <xs:annotation>
 421                     <xs:documentation>Describes the scope of a citation.
 422                     Equivalent to the flat file RP-line.</xs:documentation>
 423                 </xs:annotation>
 424             </xs:element>
 425             <xs:element name="source" type="sourceDataType" minOccurs="0"/>
 426         </xs:sequence>
 427     </xs:group>
 428     <xs:complexType name="sourceDataType">
 429         <xs:annotation>
 430             <xs:documentation>Describes the source of the sequence according to the citation.
 431             Equivalent to the flat file RC-line.</xs:documentation>
 432         </xs:annotation>
 433         <xs:choice maxOccurs="unbounded">
 434             <xs:element name="strain">
 435                 <xs:complexType>
 436                     <xs:simpleContent>
 437                         <xs:extension base="xs:string">
 438                             <xs:attribute name="evidence" type="intListType" use="optional"/>
 439                         </xs:extension>
 440                     </xs:simpleContent>
 441                 </xs:complexType>
 442             </xs:element>
 443             <xs:element name="plasmid">
 444                 <xs:complexType>
 445                     <xs:simpleContent>
 446                         <xs:extension base="xs:string">
 447                             <xs:attribute name="evidence" type="intListType" use="optional"/>
 448                         </xs:extension>
 449                     </xs:simpleContent>
 450                 </xs:complexType>
 451             </xs:element>
 452             <xs:element name="transposon">
 453                 <xs:complexType>
 454                     <xs:simpleContent>
 455                         <xs:extension base="xs:string">
 456                             <xs:attribute name="evidence" type="intListType" use="optional"/>
 457                         </xs:extension>
 458                     </xs:simpleContent>
 459                 </xs:complexType>
 460             </xs:element>
 461             <xs:element name="tissue">
 462                 <xs:complexType>
 463                     <xs:simpleContent>
 464                         <xs:extension base="xs:string">
 465                             <xs:attribute name="evidence" type="intListType" use="optional"/>
 466                         </xs:extension>
 467                     </xs:simpleContent>
 468                 </xs:complexType>
 469             </xs:element>
 470         </xs:choice>
 471     </xs:complexType>
 472     <!-- Citation summary definition ends -->
 473
 474     <!-- Comment definition begins -->
 475     <xs:complexType name="commentType">
 476         <xs:annotation>
 477             <xs:documentation>Describes different types of general annotations.
 478             Equivalent to the flat file CC-line.</xs:documentation>
 479         </xs:annotation>
 480         <xs:sequence>
 481             <xs:element name="molecule" type="moleculeType" minOccurs="0"/>
 482             <xs:choice minOccurs="0">
 483                 <xs:group ref="bpcCommentGroup"/>
 484
 485                 <xs:sequence>
 486                     <xs:annotation>
 487                         <xs:documentation>Used in 'cofactor' annotations.</xs:documentation>
 488                     </xs:annotation>
 489                     <xs:element name="cofactor" type="cofactorType" maxOccurs="unbounded"/>
 490                 </xs:sequence>
 491
 492                 <xs:sequence>
 493                     <xs:annotation>
 494                         <xs:documentation>Used in 'subcellular location' annotations.</xs:documentation>
 495                     </xs:annotation>
 496                     <xs:element name="subcellularLocation" type="subcellularLocationType" maxOccurs="unbounded"/>
 497                 </xs:sequence>
 498
 499                 <xs:element name="conflict">
 500                     <xs:annotation>
 501                         <xs:documentation>Used in 'sequence caution' annotations.</xs:documentation>
 502                     </xs:annotation>
 503                     <xs:complexType>
 504                         <xs:sequence>
 505                             <xs:element name="sequence" minOccurs="0">
 506                                 <xs:complexType>
 507                                     <xs:attribute name="resource" use="required">
 508                                         <xs:simpleType>
 509                                             <xs:restriction base="xs:string">
 510                                                 <xs:enumeration value="EMBL-CDS"/>
 511                                                 <xs:enumeration value="EMBL"/>
 512                                             </xs:restriction>
 513                                         </xs:simpleType>
 514                                     </xs:attribute>
 515                                     <xs:attribute name="id" type="xs:string" use="required"/>
 516                                     <xs:attribute name="version" type="xs:int" use="optional"/>
 517                                 </xs:complexType>
 518                             </xs:element>
 519                         </xs:sequence>
 520                         <xs:attribute name="type" use="required">
 521                             <xs:simpleType>
 522                                 <xs:restriction base="xs:string">
 523                                     <xs:enumeration value="frameshift"/>
 524                                     <xs:enumeration value="erroneous initiation"/>
 525                                     <xs:enumeration value="erroneous termination"/>
 526                                     <xs:enumeration value="erroneous gene model prediction"/>
 527                                     <xs:enumeration value="erroneous translation"/>
 528                                     <xs:enumeration value="miscellaneous discrepancy"/>
 529                                 </xs:restriction>
 530                             </xs:simpleType>
 531                         </xs:attribute>
 532                         <xs:attribute name="ref" type="xs:string" use="optional">
 533                             <xs:annotation>
 534                                 <xs:documentation>Refers to the 'key' attribute of a 'reference' element.</xs:documentation>
 535                             </xs:annotation>
 536                         </xs:attribute>
 537                     </xs:complexType>
 538                 </xs:element>
 539
 540                 <xs:sequence>
 541                     <xs:element name="link" minOccurs="0" maxOccurs="unbounded">
 542                         <xs:annotation>
 543                             <xs:documentation>Used in 'online information' annotations.</xs:documentation>
 544                         </xs:annotation>
 545                         <xs:complexType>
 546                             <xs:attribute name="uri" type="xs:anyURI" use="required"/>
 547                         </xs:complexType>
 548                     </xs:element>
 549                 </xs:sequence>
 550
 551                 <xs:sequence>
 552                     <xs:annotation>
 553                         <xs:documentation>Used in 'alternative products' annotations.</xs:documentation>
 554                     </xs:annotation>
 555                     <xs:element name="event" type="eventType" maxOccurs="4"/>
 556                     <xs:element name="isoform" type="isoformType" minOccurs="0" maxOccurs="unbounded"/>
 557                 </xs:sequence>
 558
 559                 <xs:sequence>
 560                     <xs:annotation>
 561                         <xs:documentation>Used in 'interaction' annotations.</xs:documentation>
 562                     </xs:annotation>
 563                     <xs:element name="interactant" type="interactantType" minOccurs="2" maxOccurs="2"/>
 564                     <xs:element name="organismsDiffer" type="xs:boolean" default="false"/>
 565                     <xs:element name="experiments" type="xs:int"/>
 566                 </xs:sequence>
 567
 568                 <xs:element name="disease">
 569                     <xs:annotation>
 570                         <xs:documentation>Used in 'disease' annotations.</xs:documentation>
 571                     </xs:annotation>
 572                     <xs:complexType>
 573                         <xs:sequence>
 574                             <xs:element name="name" type="xs:string"/>
 575                             <xs:element name="acronym" type="xs:string"/>
 576                             <xs:element name="description" type="xs:string"/>
 577                             <xs:element name="dbReference" type="dbReferenceType"/>
 578                         </xs:sequence>
 579                         <xs:attribute name="id" type="xs:string" use="required"/>
 580                     </xs:complexType>
 581                 </xs:element>
 582
 583             </xs:choice>
 584
 585             <xs:element name="location" type="locationType" minOccurs="0" maxOccurs="unbounded">
 586                 <xs:annotation>
 587                     <xs:documentation>Used in 'mass spectrometry' and 'sequence caution' annotations.</xs:documentation>
 588                 </xs:annotation>
 589             </xs:element>
 590
 591             <xs:element name="text" type="evidencedStringType" minOccurs="0" maxOccurs="unbounded"/>
 592
 593         </xs:sequence>
 594
 595         <xs:attribute name="type" use="required">
 596             <xs:annotation>
 597                 <xs:documentation>Describes the type of a general annotation.
 598                 Equivalent to the flat file CC comment topics (except for "DATABASE" which is translated to "online information").</xs:documentation>
 599             </xs:annotation>
 600             <xs:simpleType>
 601                 <xs:restriction base="xs:string">
 602                     <xs:enumeration value="allergen"/>
 603                     <xs:enumeration value="alternative products"/>
 604                     <xs:enumeration value="biotechnology"/>
 605                     <xs:enumeration value="biophysicochemical properties"/>
 606                     <xs:enumeration value="catalytic activity"/>
 607                     <xs:enumeration value="caution"/>
 608                     <xs:enumeration value="cofactor"/>
 609                     <xs:enumeration value="developmental stage"/>
 610                     <xs:enumeration value="disease"/>
 611                     <xs:enumeration value="domain"/>
 612                     <xs:enumeration value="disruption phenotype"/>
 613                     <xs:enumeration value="activity regulation"/>
 614                     <xs:enumeration value="function"/>
 615                     <xs:enumeration value="induction"/>
 616                     <xs:enumeration value="miscellaneous"/>
 617                     <xs:enumeration value="pathway"/>
 618                     <xs:enumeration value="pharmaceutical"/>
 619                     <xs:enumeration value="polymorphism"/>
 620                     <xs:enumeration value="PTM"/>
 621                     <xs:enumeration value="RNA editing"/>
 622                     <xs:enumeration value="similarity"/>
 623                     <xs:enumeration value="subcellular location"/>
 624                     <xs:enumeration value="sequence caution"/>
 625                     <xs:enumeration value="subunit"/>
 626                     <xs:enumeration value="tissue specificity"/>
 627                     <xs:enumeration value="toxic dose"/>
 628                     <xs:enumeration value="online information"/>
 629                     <xs:enumeration value="mass spectrometry"/>
 630                     <xs:enumeration value="interaction"/>
 631                 </xs:restriction>
 632             </xs:simpleType>
 633         </xs:attribute>
 634
 635         <xs:attribute name="locationType" type="xs:string" use="optional">
 636             <xs:annotation>
 637                 <xs:documentation>Describes the type of sequence location in 'RNA editing' annotations. Common values are "Not_applicable" and "Undetermined".</xs:documentation>
 638             </xs:annotation>
 639         </xs:attribute>
 640
 641         <xs:attribute name="name" type="xs:string" use="optional">
 642             <xs:annotation>
 643                 <xs:documentation>Describes an optional name for an 'online information'.</xs:documentation>
 644             </xs:annotation>
 645         </xs:attribute>
 646
 647         <xs:attribute name="mass" type="xs:float" use="optional">
 648             <xs:annotation>
 649                 <xs:documentation>Describes the molecular mass in 'mass spectrometry' annotations.</xs:documentation>
 650             </xs:annotation>
 651         </xs:attribute>
 652         <xs:attribute name="error" type="xs:string" use="optional">
 653             <xs:annotation>
 654                 <xs:documentation>Describes the error of the mass measurement in 'mass spectrometry' annotations.</xs:documentation>
 655             </xs:annotation>
 656         </xs:attribute>
 657         <xs:attribute name="method" type="xs:string" use="optional">
 658             <xs:annotation>
 659                 <xs:documentation>Describes the experimental method in 'mass spectrometry' annotations.</xs:documentation>
 660             </xs:annotation>
 661         </xs:attribute>
 662
 663         <xs:attribute name="evidence" type="intListType" use="optional"/>
 664     </xs:complexType>
 665
 666     <xs:group name="bpcCommentGroup">
 667         <xs:annotation>
 668             <xs:documentation>Describes different types of biophysicochemical properties.</xs:documentation>
 669         </xs:annotation>
 670         <xs:sequence>
 671             <xs:element name="absorption" minOccurs="0">
 672                 <xs:complexType>
 673                     <xs:sequence>
 674                         <xs:element name="max" type="evidencedStringType" minOccurs="0"/>
 675                         <xs:element name="text" type="evidencedStringType" minOccurs="0" maxOccurs="unbounded"/>
 676                     </xs:sequence>
 677                 </xs:complexType>
 678             </xs:element>
 679             <xs:element name="kinetics" minOccurs="0">
 680                 <xs:complexType>
 681                     <xs:sequence>
 682                         <xs:element name="KM" type="evidencedStringType" minOccurs="0" maxOccurs="unbounded"/>
 683                         <xs:element name="Vmax" type="evidencedStringType" minOccurs="0" maxOccurs="unbounded"/>
 684                         <xs:element name="text" type="evidencedStringType" minOccurs="0" maxOccurs="unbounded"/>
 685                     </xs:sequence>
 686                 </xs:complexType>
 687             </xs:element>
 688             <xs:element name="phDependence" minOccurs="0">
 689                 <xs:complexType>
 690                     <xs:sequence>
 691                         <xs:element name="text" type="evidencedStringType" maxOccurs="unbounded"/>
 692                     </xs:sequence>
 693                 </xs:complexType>
 694             </xs:element>
 695             <xs:element name="redoxPotential" minOccurs="0">
 696                 <xs:complexType>
 697                     <xs:sequence>
 698                         <xs:element name="text" type="evidencedStringType" maxOccurs="unbounded"/>
 699                     </xs:sequence>
 700                 </xs:complexType>
 701             </xs:element>
 702             <xs:element name="temperatureDependence" minOccurs="0">
 703                 <xs:complexType>
 704                     <xs:sequence>
 705                         <xs:element name="text" type="evidencedStringType" maxOccurs="unbounded"/>
 706                     </xs:sequence>
 707                 </xs:complexType>
 708             </xs:element>
 709         </xs:sequence>
 710     </xs:group>
 711
 712     <xs:complexType name="cofactorType">
 713         <xs:annotation>
 714             <xs:documentation>Describes a cofactor.</xs:documentation>
 715         </xs:annotation>
 716         <xs:sequence>
 717             <xs:element name="name" type="xs:string"/>
 718             <xs:element name="dbReference" type="dbReferenceType"/>
 719         </xs:sequence>
 720         <xs:attribute name="evidence" type="intListType" use="optional"/>
 721     </xs:complexType>
 722
 723     <xs:complexType name="subcellularLocationType">
 724         <xs:annotation>
 725             <xs:documentation>Describes the subcellular location and optionally the topology and orientation of a molecule.</xs:documentation>
 726         </xs:annotation>
 727         <xs:sequence>
 728             <xs:element name="location" type="evidencedStringType" maxOccurs="unbounded"/>
 729             <xs:element name="topology" type="evidencedStringType" minOccurs="0" maxOccurs="unbounded"/>
 730             <xs:element name="orientation" type="evidencedStringType" minOccurs="0" maxOccurs="unbounded"/>
 731         </xs:sequence>
 732     </xs:complexType>
 733
 734     <xs:complexType name="eventType">
 735         <xs:annotation>
 736             <xs:documentation>Describes the type of events that cause alternative products.</xs:documentation>
 737         </xs:annotation>
 738         <xs:attribute name="type" use="required">
 739             <xs:simpleType>
 740                 <xs:restriction base="xs:string">
 741                     <xs:enumeration value="alternative splicing"/>
 742                     <xs:enumeration value="alternative initiation"/>
 743                     <xs:enumeration value="alternative promoter"/>
 744                     <xs:enumeration value="ribosomal frameshifting"/>
 745                 </xs:restriction>
 746             </xs:simpleType>
 747         </xs:attribute>
 748     </xs:complexType>
 749
 750     <xs:complexType name="isoformType">
 751         <xs:annotation>
 752             <xs:documentation>Describes isoforms in 'alternative products' annotations.</xs:documentation>
 753         </xs:annotation>
 754         <xs:sequence>
 755             <xs:element name="id" type="xs:string" maxOccurs="unbounded"/>
 756             <xs:element name="name" maxOccurs="unbounded">
 757                 <xs:complexType>
 758                     <xs:simpleContent>
 759                         <xs:extension base="xs:string">
 760                             <xs:attribute name="evidence" type="intListType" use="optional"/>
 761                         </xs:extension>
 762                     </xs:simpleContent>
 763                 </xs:complexType>
 764             </xs:element>
 765             <xs:element name="sequence">
 766                 <xs:complexType>
 767                     <xs:attribute name="type" use="required">
 768                         <xs:simpleType>
 769                             <xs:restriction base="xs:string">
 770                                 <xs:enumeration value="not described"/>
 771                                 <xs:enumeration value="described"/>
 772                                 <xs:enumeration value="displayed"/>
 773                                 <xs:enumeration value="external"/>
 774                             </xs:restriction>
 775                         </xs:simpleType>
 776                     </xs:attribute>
 777                     <xs:attribute name="ref" type="xs:string" use="optional"/>
 778                 </xs:complexType>
 779             </xs:element>
 780             <xs:element name="text" type="evidencedStringType" minOccurs="0" maxOccurs="unbounded"/>
 781         </xs:sequence>
 782     </xs:complexType>
 783
 784     <xs:group name="interactantGroup">
 785         <xs:sequence>
 786             <xs:element name="id" type="xs:string"/>
 787             <xs:element name="label" type="xs:string" minOccurs="0"/>
 788         </xs:sequence>
 789     </xs:group>
 790     <xs:complexType name="interactantType">
 791         <xs:group ref="interactantGroup" minOccurs="0"/>
 792         <xs:attribute name="intactId" type="xs:string" use="required"/>
 793     </xs:complexType>
 794     <!-- Comment definition ends -->
 795
 796     <!-- Database cross-reference definition begins -->
 797     <xs:complexType name="dbReferenceType">
 798         <xs:annotation>
 799             <xs:documentation>Describes a database cross-reference.
 800             Equivalent to the flat file DR-line.
 801             </xs:documentation>
 802         </xs:annotation>
 803         <xs:sequence>
 804             <xs:element name="molecule" type="moleculeType" minOccurs="0"/>
 805             <xs:element name="property" type="propertyType" minOccurs="0" maxOccurs="unbounded"/>
 806         </xs:sequence>
 807         <xs:attribute name="type" type="xs:string" use="required">
 808             <xs:annotation>
 809                 <xs:documentation>Describes the name of the database.</xs:documentation>
 810             </xs:annotation>
 811         </xs:attribute>
 812         <xs:attribute name="id" type="xs:string" use="required">
 813             <xs:annotation>
 814                 <xs:documentation>Describes a unique database identifier.</xs:documentation>
 815             </xs:annotation>
 816         </xs:attribute>
 817         <xs:attribute name="evidence" type="intListType" use="optional"/>
 818         <!-- xs:attribute name="key" type="xs:string" use="optional"/ -->
 819     </xs:complexType>
 820
 821     <xs:complexType name="propertyType">
 822         <xs:attribute name="type" type="xs:string" use="required"/>
 823         <xs:attribute name="value" type="xs:string" use="required"/>
 824     </xs:complexType>
 825     <!-- Database cross-reference definition ends -->
 826
 827     <!-- Protein existence definition begins -->
 828     <xs:complexType name="proteinExistenceType">
 829         <xs:annotation>
 830             <xs:documentation>Describes the evidence for the protein's existence.
 831             Equivalent to the flat file PE-line.</xs:documentation>
 832         </xs:annotation>
 833         <xs:attribute name="type" use="required">
 834             <xs:simpleType>
 835                 <xs:restriction base="xs:string">
 836                     <xs:enumeration value="evidence at protein level"/>
 837                     <xs:enumeration value="evidence at transcript level"/>
 838                     <xs:enumeration value="inferred from homology"/>
 839                     <xs:enumeration value="predicted"/>
 840                     <xs:enumeration value="uncertain"/>
 841                 </xs:restriction>
 842             </xs:simpleType>
 843         </xs:attribute>
 844     </xs:complexType>
 845     <!-- Protein existence definition ends -->
 846
 847     <!-- Keyword definition begins -->
 848     <xs:complexType name="keywordType">
 849         <xs:simpleContent>
 850             <xs:extension base="xs:string">
 851                 <xs:attribute name="evidence" type="intListType" use="optional"/>
 852                 <xs:attribute name="id" type="xs:string" use="required"/>
 853             </xs:extension>
 854         </xs:simpleContent>
 855     </xs:complexType>
 856     <!-- Keyword definition ends -->
 857
 858     <!-- Feature definition begins -->
 859     <xs:complexType name="featureType">
 860         <xs:annotation>
 861             <xs:documentation>Describes different types of sequence annotations.
 862             Equivalent to the flat file FT-line.</xs:documentation>
 863         </xs:annotation>
 864         <xs:sequence>
 865             <xs:element name="original" type="xs:string" minOccurs="0">
 866                <xs:annotation>
 867                     <xs:documentation>Describes the original sequence in annotations that describe natural or artifical sequence variations.</xs:documentation>
 868                 </xs:annotation>
 869             </xs:element>
 870             <xs:element name="variation" type="xs:string" minOccurs="0" maxOccurs="unbounded">
 871               <xs:annotation>
 872                     <xs:documentation>Describes the variant sequence in annotations that describe natural or artifical sequence variations.</xs:documentation>
 873                 </xs:annotation>
 874             </xs:element>
 875             <xs:element name="location" type="locationType">
 876                 <xs:annotation>
 877                     <xs:documentation>Describes the sequence coordinates of the annotation.</xs:documentation>
 878                 </xs:annotation>
 879             </xs:element>
 880         </xs:sequence>
 881         <xs:attribute name="type" use="required">
 882             <xs:annotation>
 883                 <xs:documentation>Describes the type of a sequence annotation.
 884                 Equivalent to the flat file FT feature keys, but using full terms instead of acronyms.</xs:documentation>
 885             </xs:annotation>
 886             <xs:simpleType>
 887                 <xs:restriction base="xs:string">
 888                     <xs:enumeration value="active site"/>
 889                     <xs:enumeration value="binding site"/>
 890                     <xs:enumeration value="calcium-binding region"/>
 891                     <xs:enumeration value="chain"/>
 892                     <xs:enumeration value="coiled-coil region"/>
 893                     <xs:enumeration value="compositionally biased region"/>
 894                     <xs:enumeration value="cross-link"/>
 895                     <xs:enumeration value="disulfide bond"/>
 896                     <xs:enumeration value="DNA-binding region"/>
 897                     <xs:enumeration value="domain"/>
 898                     <xs:enumeration value="glycosylation site"/>
 899                     <xs:enumeration value="helix"/>
 900                     <xs:enumeration value="initiator methionine"/>
 901                     <xs:enumeration value="lipid moiety-binding region"/>
 902                     <xs:enumeration value="metal ion-binding site"/>
 903                     <xs:enumeration value="modified residue"/>
 904                     <xs:enumeration value="mutagenesis site"/>
 905                     <xs:enumeration value="non-consecutive residues"/>
 906                     <xs:enumeration value="non-terminal residue"/>
 907                     <xs:enumeration value="nucleotide phosphate-binding region"/>
 908                     <xs:enumeration value="peptide"/>
 909                     <xs:enumeration value="propeptide"/>
 910                     <xs:enumeration value="region of interest"/>
 911                     <xs:enumeration value="repeat"/>
 912                     <xs:enumeration value="non-standard amino acid"/>
 913                     <xs:enumeration value="sequence conflict"/>
 914                     <xs:enumeration value="sequence variant"/>
 915                     <xs:enumeration value="short sequence motif"/>
 916                     <xs:enumeration value="signal peptide"/>
 917                     <xs:enumeration value="site"/>
 918                     <xs:enumeration value="splice variant"/>
 919                     <xs:enumeration value="strand"/>
 920                     <xs:enumeration value="topological domain"/>
 921                     <xs:enumeration value="transit peptide"/>
 922                     <xs:enumeration value="transmembrane region"/>
 923                     <xs:enumeration value="turn"/>
 924                     <xs:enumeration value="unsure residue"/>
 925                     <xs:enumeration value="zinc finger region"/>
 926                     <xs:enumeration value="intramembrane region"/>
 927                 </xs:restriction>
 928             </xs:simpleType>
 929         </xs:attribute>
 930         <xs:attribute name="status" use="optional">
 931             <xs:simpleType>
 932                 <xs:restriction base="xs:string">
 933                     <xs:enumeration value="by similarity"/>
 934                     <xs:enumeration value="probable"/>
 935                     <xs:enumeration value="potential"/>
 936                 </xs:restriction>
 937             </xs:simpleType>
 938         </xs:attribute>
 939         <xs:attribute name="id" type="xs:string" use="optional"/>
 940         <xs:attribute name="description" type="xs:string" use="optional"/>
 941         <xs:attribute name="evidence" type="intListType" use="optional"/>
 942         <xs:attribute name="ref" type="xs:string" use="optional"/>
 943     </xs:complexType>
 944
 945     <xs:complexType name="locationType">
 946         <xs:annotation>
 947             <xs:documentation>Describes a sequence location as either a range with a begin and end or as a position. The 'sequence' attribute is only used when the location is not on the canonical sequence displayed in the current entry.</xs:documentation>
 948         </xs:annotation>
 949         <xs:choice>
 950             <xs:sequence>
 951                 <xs:element name="begin" type="positionType"/>
 952                 <xs:element name="end" type="positionType"/>
 953             </xs:sequence>
 954             <xs:element name="position" type="positionType"/>
 955         </xs:choice>
 956         <xs:attribute name="sequence" type="xs:string" use="optional"/>
 957     </xs:complexType>
 958
 959     <xs:complexType name="positionType">
 960         <xs:attribute name="position" type="xs:unsignedLong" use="optional"/>
 961         <xs:attribute name="status" use="optional" default="certain">
 962             <xs:simpleType>
 963                 <xs:restriction base="xs:string">
 964                     <xs:enumeration value="certain"/>
 965                     <xs:enumeration value="uncertain"/>
 966                     <xs:enumeration value="less than"/>
 967                     <xs:enumeration value="greater than"/>
 968                     <xs:enumeration value="unknown"/>
 969                 </xs:restriction>
 970             </xs:simpleType>
 971         </xs:attribute>
 972         <xs:attribute name="evidence" type="intListType" use="optional"/>
 973     </xs:complexType>
 974     <!-- Feature definition ends -->
 975
 976     <!-- Sequence definition begins -->
 977     <xs:complexType name="sequenceType">
 978         <xs:simpleContent>
 979             <xs:extension base="xs:string">
 980                 <xs:attribute name="length" type="xs:int" use="required"/>
 981                 <xs:attribute name="mass" type="xs:int" use="required"/>
 982                 <xs:attribute name="checksum" type="xs:string" use="required"/>
 983                 <xs:attribute name="modified" type="xs:date" use="required"/>
 984                 <xs:attribute name="version" type="xs:int" use="required"/>
 985                 <xs:attribute name="precursor" type="xs:boolean" use="optional"/>
 986                 <xs:attribute name="fragment" use="optional">
 987                     <xs:simpleType>
 988                         <xs:restriction base="xs:string">
 989                             <xs:enumeration value="single"/>
 990                             <xs:enumeration value="multiple"/>
 991                         </xs:restriction>
 992                     </xs:simpleType>
 993                 </xs:attribute>
 994             </xs:extension>
 995         </xs:simpleContent>
 996     </xs:complexType>
 997     <!-- Sequence definition ends -->
 998
 999     <!-- Molecule definition begins -->
1000     <xs:complexType name="moleculeType">
1001         <xs:annotation>
1002             <xs:documentation>Describes a molecule by name or unique identifier.</xs:documentation>
1003         </xs:annotation>
1004         <xs:simpleContent>
1005             <xs:extension base="xs:string">
1006                 <xs:attribute name="id" type="xs:string" use="optional"/>
1007             </xs:extension>
1008         </xs:simpleContent>
1009     </xs:complexType>
1010     <!-- Molecule definition ends -->
1011
1012     <!-- Evidence definition begins -->
1013     <xs:complexType name="evidenceType">
1014         <xs:annotation>
1015             <xs:documentation>Describes the evidence for an annotation.
1016             No flat file equivalent.</xs:documentation>
1017         </xs:annotation>
1018         <xs:sequence>
1019             <xs:element name="source" type="sourceType" minOccurs="0"/>
1020             <xs:element name="importedFrom" type="importedFromType" minOccurs="0"/>
1021         </xs:sequence>
1022         <xs:attribute name="type" type="xs:string" use="required">
1023             <xs:annotation>
1024                 <xs:documentation>Describes the type of an evidence using the Evidence Code Ontology (http://www.obofoundry.org/cgi-bin/detail.cgi?id=evidence_code).</xs:documentation>
1025             </xs:annotation>
1026         </xs:attribute>
1027         <xs:attribute name="key" type="xs:integer" use="required">
1028             <xs:annotation>
1029                 <xs:documentation>A unique key to link annotations (via 'evidence' attributes) to evidences.</xs:documentation>
1030             </xs:annotation>
1031         </xs:attribute>
1032     </xs:complexType>
1033     <xs:complexType name="sourceType">
1034         <xs:annotation>
1035             <xs:documentation>Describes the source of the data using a database cross-reference (or a 'ref' attribute when the source cannot be found in a public data source, such as PubMed, and is cited only within the UniProtKB entry).</xs:documentation>
1036         </xs:annotation>
1037         <xs:sequence>
1038             <xs:element name="dbReference" type="dbReferenceType" minOccurs="0"/>
1039         </xs:sequence>
1040         <xs:attribute name="ref" type="xs:integer" use="optional"/>
1041     </xs:complexType>
1042     <xs:complexType name="importedFromType">
1043         <xs:annotation>
1044             <xs:documentation>Describes the source of the evidence, when it is not assigned by UniProt, but imported from an external database.</xs:documentation>
1045         </xs:annotation>
1046         <xs:sequence>
1047             <xs:element name="dbReference" type="dbReferenceType"/>
1048         </xs:sequence>
1049     </xs:complexType>
1050     <!-- Evidence definition ends -->
1051
1052     <xs:complexType name="evidencedStringType">
1053         <xs:simpleContent>
1054             <xs:extension base="xs:string">
1055                 <xs:attribute name="evidence" type="intListType" use="optional"/>
1056                 <xs:attribute name="status" use="optional">
1057                     <xs:simpleType>
1058                         <xs:restriction base="xs:string">
1059                             <xs:enumeration value="by similarity"/>
1060                             <xs:enumeration value="probable"/>
1061                             <xs:enumeration value="potential"/>
1062                         </xs:restriction>
1063                     </xs:simpleType>
1064                 </xs:attribute>
1065             </xs:extension>
1066         </xs:simpleContent>
1067     </xs:complexType>
1068
1069     <xs:simpleType name="intListType">
1070        <xs:list itemType="xs:int"/>
1071    </xs:simpleType>
1072 </xs:schema>