From: NCBI News, May 2015
NCBI News [Internet].
Bethesda (MD): National Center for Biotechnology Information (US); 1991-2012.
NCBI Bookshelf. A service of the National Library of Medicine, National Institutes of Health.
| Species | Genomes | Total Proteins | Total Unique WPs | Total Singleton WPs |
| Staphylococcus aureus | 4,194 | 11,764,898 | 222,588 | 138,284 |
| Escherichia coli | 2,685 | 13,637,370 | 1,033,617 | 649,100 |
| Mycobacterium tuberculosis | 1,790 | 7,245,836 | 139,800 | 101,255 |
| Salmonella enterica | 918 | 4,099,013 | 294,106 | 194,982 |