PRotein Ontology (PRO) Release 31.0 (10-Jan-2013)

There are 35411 PRO terms
    1 terms are in the 'family-modification' category.
   325 terms are in the 'family' category.
  24117 terms are in the 'gene' category.
  1618 terms are in the 'sequence' category.
  6455 terms are in the 'modification' category.
   130 terms are in the 'complex' category.
    4 terms are in the 'organism-family' category.
   929 terms are in the 'organism-gene' category.
   658 terms are in the 'organism-sequence' category.
   716 terms are in the 'organism-modification' category.
   253 terms are in the 'organism-complex' category.
   16 terms are in the 'union' category.
1777 terms have some kind of annotation, codifying the information from 1240 papers.
  2893 connections to GO (965 PRO terms).
   374 connections to MOD (328 PRO terms).
   610 connections to Pfam (365 PRO terms).
   338 connections to SO (317 PRO terms).
   344 annotations of a phenotype (337 PRO terms).

The ontology includes a subset of terms from other ontologies and resources that are used for logical definitions.

_Current changes_

1) Please note that this release still contains a number of duplicate names and synonyms. These will be resolved in upcoming releases.

_Forthcoming changes_

1) Continue to add shorthand labels to terms.
2) Continue to expand the set of mapped terms.
3) Resolve names and synonym duplicates.