Statistics
| Sequence in the genome | Sequences with a Swissprot entry | Sequences experimentally annotated | Sequences annotated by similarity | |
| Homo sapiens | 48,926 | 12,927 | 9,341 | 33,225 |
| Mus Musculus | 31,302 | 6,228 | 4,669 | 20,764 |
| Caenorhabditis elegans | 25,714 | 3,327 | 1,612 | 11,222 |
| Saccharomyces cerevisiae | 6,680 | 5,296 | 3,106 | 3,503 |
| Arabidopsis thaliana | 30,600 | 4,030 | 2,645 | 10,121 |
| Subcellular localization | Experimental annotations | Similarity-based annotation |
| Cell wall | 73 | 404 |
| Cytoplasm | 4,468 | 23,492 |
| Cytoskeleton | 519 | 4,099 |
| Endoplasmic reticulum | 1,058 | 4,115 |
| Endosome | 202 | 1,091 |
| Extracellular | 340 | 1,719 |
| Golgi | 806 | 3,231 |
| Lysosome | 208 | 959 |
| Membrane | 1,913 | 9,956 |
| Mitochondrion | 1,829 | 4,490 |
| Nucleus | 3,413 | 25,812 |
| Peroxisome | 112 | 718 |
| Plastid | 429 | 1,525 |
| Secretory Pathway | 2,157 | 7,262 |
| Transmembrane | 6,773 | 19,586 |
| Vacuole | 179 | 506 |
| Vesicles | 390 | 2,289 |
| Homo sapiens | Mus musculus | Caenorhabditis elegans | Saccharomyces cerevisiae | Arabidopsis thaliana | |
| Transmembrane | 10,229 | 7,750 | 6,593 | 1,657 | 8,079 |
| Secretory | 7,816 | 4,971 | 5,172 | 348 | 3,001 |
| Nucleus | 12,358 | 6,820 | 4,733 | 1,717 | 7,649 |
| Cytoplasm | 14,720 | 9,356 | 6,280 | 1,710 | 6,033 |
| Mitochondrion | 3,630 | 2,326 | 1,454 | 1,112 | 963 |
| Chloroplast | - | - | - | - | 4,875 |