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PRotein Ontology (PRO) Release 17.0, version 0
25-March-2011

The Protein Ontology Consortium--Protein Information Resource, The Jackson Laboratory, Reactome, and the Department of Philosophy at the State University of New York at Buffalo--is pleased to announce PRO Release 17.0 (25-March-2011). PRO describes the relationships of proteins and protein evolutionary classes, delineates the multiple protein forms of a gene locus (ontology for protein forms), protein complexes, and interconnects existing ontologies. Further information is available at http://pir.georgetown.edu/pro/.

In PRO Release 17.0, version 0:

There are 26677 PRO terms
     304 terms are in the 'family' category.
   18200 terms are in the 'gene' category.
    1298 terms are in the 'sequence' category.
    5871 terms are in the 'modification' category.
      43 terms are in the 'complex' category.
     285 terms are in the 'organism-gene' category.
     305 terms are in the 'organism-sequence' category.
     163 terms are in the 'organism-modification' category.
      88 terms are in the 'organism-complex' category.
       8 terms are in the 'union' category.
1544 terms have some kind of annotation, codifying the information from 1031 papers.
    2280 connections to GO (773 PRO terms).
     374 connections to MOD (327 PRO terms).
     604 connections to Pfam (362 PRO terms).
     338 connections to SO (317 PRO terms).
     306 annotations of a phenotype (299 PRO terms).

The ontology includes a subset of terms from GO, MOD, CHEBI, and SO ontologies that are used for logical definitions.  If using OBO Edit to view PRO, please turn on the reasoner in order to display the hierarchy.


_Current changes_

1) From this release on we will no longer provide the ID space PRO: version of the files. 

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