X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=help%2Fhtml%2FwebServices%2Fdbreffetcher.html;h=ba9120cc31865ea048b468fd5be599c35ab83372;hb=c19d2a91ca05e052e3408bf5852d88eb5d0608f1;hp=ad42153153e3b44e9854161287b6d910d1fb7989;hpb=b528740d54b70ef784725aca3122eeceabcff8f9;p=jalview.git diff --git a/help/html/webServices/dbreffetcher.html b/help/html/webServices/dbreffetcher.html index ad42153..ba9120c 100644 --- a/help/html/webServices/dbreffetcher.html +++ b/help/html/webServices/dbreffetcher.html @@ -1,6 +1,6 @@ - -Database Reference Fetching +Database Reference Fetching

-

Discovering Database References for Sequences
-Database references are associated with a sequence are displayed as a -list in the tooltip shown when mousing over its sequence ID. Jalview -uses references for the retrieval of PDB structures and DAS features, and for -retrieving sequence cross-references such as the protein products of a -DNA sequence.

-

Initiating reference retrieval
-The application provides three ways to access the retrieval function. Either: -

+

+ Discovering Database References for Sequences
+ Database references are associated with a sequence are displayed as a + list in the tooltip shown when mousing over its sequence ID. Jalview + uses references for the retrieval of PDB structures and DAS + features, and for retrieving sequence cross-references such as the + protein products of a DNA sequence. +

+

+ Initiating reference retrieval
The + application provides three ways to access the retrieval function. + Either: +

Jalview discovers references for a sequence by generating a set -of ID queries from the ID string of each sequence in the alignment. It -then tries to query a subset of all the databases it can access in order to match -the alignment sequence to any records retrieved from the database. If a -match is found, then the sequence is annotated with that database's -reference, and any cross-references that its records contain.

-

The Sequence Identification Process
-The method of accession id discovery is derived from the method which -earlier Jalview versions used for Uniprot sequence feature retrieval, -and was originally restricted to the identifaction of valid Uniprot -accessions.
-Essentially, Jalview will try to retrieve records from a subset of the databases -accessible by the sequence -fetcher using each sequence's ID string (or each string in the ID -separated by the '∣' symbol).

+ of ID queries from the ID string of each sequence in the alignment. It + then tries to query a subset of all the databases it can access in + order to match the alignment sequence to any records retrieved from + the database. If a match is found, then the sequence is annotated with + that database's reference, and any cross-references that its records + contain.

+

+ The Sequence Identification Process
The + method of accession id discovery is derived from the method which + earlier Jalview versions used for Uniprot sequence feature retrieval, + and was originally restricted to the identification of valid Uniprot + accessions.
Essentially, Jalview will try to retrieve records + from a subset of the databases accessible by the sequence fetcher using each sequence's ID string (or each string in + the ID separated by the '∣' symbol). +

If a record (or set of records) is retrieved by any query derived -from the ID string of a sequence, then the sequence is aligned to the -ones retrieved to determine the correct start and end residue positions -(which are displayed when the 'Show Full Sequence ID' option). This is -important for the correct display of the location of any features -associated with that database.

+ from the ID string of a sequence, then the sequence is aligned to the + ones retrieved to determine the correct start and end residue + positions (which are displayed when the 'Show Full Sequence ID' + option). This is important for the correct display of the location of + any features associated with that database.

If the alignment reveals differences between the sequence in the -alignment and the one in the record, then Jalview will assume that the -aligned sequence is not the one in the retrieved record.

-

In some cases, the ID used to retrieve records may be out -of date and a dialog box will be opened indicating that a 100% match -between the sequence and the record was identified, but the -sequence name is different. In this case, the can be manually -changed (by right clicking on the sequence ID and selecting Sequence→Edit -Name). + alignment and the one in the record, then Jalview will assume that the + aligned sequence is not the one in the retrieved record.

+

+ In some cases, the ID used to retrieve records may be out of date and + a dialog box will be opened indicating that a 100% match between the + sequence and the record was identified, but the sequence name is + different. In this case, the can be manually changed (by right + clicking on the sequence ID and selecting Sequence→Edit + Name).