Main data sources
| Source | Data | Release, Version, or Date Downloaded |
| WormBase | C. elegans | release 225, June 12, 2011 |
| TheBioGRID | interactions | version 3.1.78, dated June 25, 2011 |
| YeastGenome | S. cerevisiae | version dated June 18, 2011 |
| ZFIN | D. rerio | June 22, 2011 |
| RGD | R. norvegicus | June 16, 2011 |
| MGI | M. musculus | database: 4.41, July 13, 2011 |
| Sanger | S. pombe | June 3, 2011 |
| Ensembl | H. sapiens | Genes 63 (Sanger UK), GRCh37.p3 |
| dictyBase | D. discoideum | June 28, 2010 |
| tair | A. thaliana | TAIR10: November 24, 2010 |
| Gene Ontology | various species | July 27, 2011 |
| FlyBase | D. melanogaster | FB2011_06, dated June 24, 2011 |
| InParanoid | orthologs | Release 7.0 dated June 15, 2009 |