Table 1.
Posttranslational Modifications
| Type of modification | Number of modifications | Number of proteins |
|---|---|---|
| Acetylation | 37 | 16 |
| ADP ribosylation | 6 | 4 |
| Alkylation | 4 | 3 |
| Amidation | 8 | 2 |
| Carboxylation | 45 | 6 |
| Disulphide bridge | 136 | 41 |
| Glycation | 33 | 11 |
| Glycosylation | 191 | 54 |
| GPI anchor | 7 | 6 |
| Hydroxylation | 7 | 2 |
| Methylation | 47 | 23 |
| Myristoylation | 12 | 11 |
| Neddylation | 1 | 1 |
| Nitration | 6 | 2 |
| Palmitoylation | 33 | 19 |
| Phosphorylation | 1104 | 305 |
| Prenylation | 12 | 10 |
| Proteolytic cleavage | 146 | 71 |
| S-Nitrosylation | 4 | 4 |
| Sulfation | 23 | 8 |
| Sumoylation | 16 | 11 |
| Transglutamination | 5 | 2 |
| Ubiquitination | 17 | 8 |
The number of sites annotated by various posttranslation modifications is shown.