================================================ PRotein Ontology (PRO) Release 24.0, version 0 31-October-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 24.0 (31-October-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 24.0, version 0: There are 27696 PRO terms 4 terms are in the 'organism-family' category. 312 terms are in the 'family' category. 18227 terms are in the 'gene' category. 1393 terms are in the 'sequence' category. 6070 terms are in the 'modification' category. 102 terms are in the 'complex' category. 477 terms are in the 'organism-gene' category. 412 terms are in the 'organism-sequence' category. 392 terms are in the 'organism-modification' category. 184 terms are in the 'organism-complex' category. 11 terms are in the 'union' category. 1584 terms have some kind of annotation, codifying the information from 1074 papers. 2360 connections to GO (814 PRO terms). 374 connections to MOD (327 PRO terms). 604 connections to Pfam (361 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_ None _Forthcoming changes_ 1) Continue to add shorthand labels to terms. ================================================