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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
44 <img src="pdbseqfetcher.png" align="left"
45 alt="PDB sequence fetcher (introduced in Jalview 2.x.x)">
49 <strong>Searching the PDB Database</strong><br> Once the
50 interface is opened, typing in the search text box will execute a live
51 query to the PDB database and display the results on-the-fly as seen
52 in the screen-shot above. Use the drop-down menu to select a specific
53 field to search by in the PDB database, the default option is <strong>'ALL'</strong>.
54 Furthermore, the PDB search interface also provides the following
57 <li>Retrieving a unique chain for a PDB entry: <br>To
58 retrieve a specific chain for a PDB entry, append the PDB ID with a
59 colon 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
63 search interface supports querying of multiple PDB Ids in one
64 operation by separating the list of PDB Ids with a semi-colon i.e:
68 <li>Wild card searching: <br>The PDB sequence fetcher also
69 provides support for wild card querying of the PDB database. <br>Single
70 character (matches a single character) - ? The search string te?t
71 would match both test and text. <br>Multiple characters (matches
72 zero or more sequential characters) - * The wildcard search: tes* -
73 would match test, testing, and tester. You can also use wildcard
74 characters in the middle of a term. For example: te*t - would match
75 test and text. *est - would match pest and test.
79 <strong>Customising displayed meta-data</strong> <br>To change
80 the displayed meta-data in the search result, click the <strong>'Configure
81 Displayed Columns'</strong> tab, then tick off the options wanted.
84 <strong>Importing Sequence</strong><br> After querying the PDB
85 database, to import the found data into Jalview, select the entries
86 you wish to import then click the ok button at the bottom of the
90 <em>The PDB Sequence Fetcher interface was introduced in Jalview