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23 <title>PDB Sequence Fetcher</title>
27 <strong>PDB Sequence Fetcher</strong>
28 <p>From Jalview 2.x.x a speciliased interface was introduced for
29 fast and efficient discovery/retrieval of sequence data from the PDB
30 database. The introduced interface enables live querying of PDB data
31 on-the-fly thereby eliminating the need to memorise database accession
32 or to cross-reference other bioinformatics websites before retrieving
33 a sequence data in jalview. The underlying technology is provided by
34 EBI and is based on Apache Solr which is a text based search engine.</p>
37 The PDB Sequence Fetcher interface can be opened by selecting <strong>PDB</strong>
38 as the choice database from the <strong>'Select Database
39 Retrieval Source'</strong> interface of <a href="seqfetch.html">Sequence
43 <img src="pdbseqfetcher.png" align="left"
44 alt="PDB sequence fetcher (introduced in Jalview 2.x.x)">
48 <strong>Searching the PDB Database</strong><br> Once the
49 interface is opened, typing in the search text box will execute a live
50 query to the PDB database and display the results on-the-fly as seen
51 in the screen-shot above. Use the drop-down menu to select a specific
52 field to search by in the PDB database, the default option is <strong>'ALL'</strong>.
53 Furthermore, the PDB search interface also provides the following
57 <li>Retrieving a unique chain for a PDB entry: <br>To retrieve a
58 specific chain for a PDB entry, append the PDB ID with a colon
59 followed by the chain code in the search box. eg: 1xyz:A
62 <li>Querying multiple PDB Id's in one operation:<br>The PDB search
63 interface supports querying of multiple PDB Ids in one operation by
64 separating the list of PDB Ids with a semi-colon i.e: 1xyz;2xyz;3xyz </li>
66 <li>Wild card searching: <br>The PDB sequence fetcher also provides
67 support for wild card querying of the PDB database. <br>Single
68 character (matches a single character) - ? The search string te?t
69 would match both test and text. <br>Multiple characters (matches
70 zero or more sequential characters) - * The wildcard search: tes* -
71 would match test, testing, and tester. You can also use wildcard
72 characters in the middle of a term. For example: te*t - would match
73 test and text. *est - would match pest and test.
77 <strong>Customising displayed meta-data</strong> <br>To change the
78 displayed meta-data in the search result, click the <strong>'Configure
79 Displayed Columns'</strong> tab, then tick off the options wanted.
81 <p><strong>Importing Sequence</strong><br>
82 After querying the PDB database, to import the found data into Jalview, select the entries you wish to import then click the ok button at the bottom of the interface.</p>
84 <em>The PDB Sequence Fetcher interface was introduced in Jalview