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-<head>
-<title>Modeller PIR Format IO</title>
-</head>
-<body>
- <p>
- <strong>Modeller PIR Format IO</strong>
- </p>
- <p>
- The homology modelling program, <a
- href="http://salilab.org/modeller/">Modeller</a> uses a
- special form of the PIR format where information about sequence
- numbering and chain codes are written into the 'description' line
- between the PIR protein tag and the protein alignment entry:
- </p>
- <pre>>P1;Q93Z60_ARATH
-sequence:Q93Z60_ARATH:1:.:118:.:.
-----MASTALSSAIVSTSFLRRQQTPISLRSLPFANT-QSLFGLKS-STARGGRVTAMATYKVKFITPEGEQ
-EVECEEDVYVLDAAEEAGLDLPYSCRAGSCSSCAGKVVSGSIDQSD------QSFLD-D-------------
----------------------*
->P1;PDB|1FER|_
-structureX:1FER:1:.:105:.:.
-----------------------------------------------------AFVVTDNCIKCKY---TDCV
-EV-CPVDCFY----EGPNFLVIHPDECIDCALCEPECPAQAIFSEDEVPEDMQEFIQLNAELAEVWPNITEK
-KDPLPDAEDWDGVKGKLQHLE*
-</pre>
- <p>Jalview will attempt to parse any PIR entries conforming to the
- Modeller/PIR format, in order to extract the sequence start and end
- numbering and (possibly) a PDB file reference. The description line
- information is always stored in the sequence description string - so
- no information is lost if this parsing process fails.</p>
- <p>
- The 'Modeller Output' flag in the 'Output' tab of the Jalview <a
- href="../features/preferences.html">Preferences dialog
- box</a> controls whether Jalview will also output MODELLER style PIR
- files. In this case, any existing 'non-modeller PIR' header
- information in the description string of an alignment is appended to
- an automatically generated modeller description line for that
- sequence.
- </p>
- <p>The general format used for generating the Modeller/PIR
- sequence description line is shown below :
- <pre>>P1;<em>Primary_Sequence_ID</em>
-<em>sequence or structureX</em>:<em>pdb-reference if
- available</em>:<em>start residue</em>:<em>start chain code</em>:<em>end
- residue</em>:<em>end chain code</em>:. <em>description text</em>
- </pre>
- The first field is either sequence or structureX, depending upon the
- presence of a PDB database ID for the sequence. If the protein has no
- PDB reference, then the chain code is not specified, unless one
- already existed when the sequence was imported into Jalview.
-</body>
-</html>