Table 1. Summarized data compiled from UniProtKB/Swiss-Prot of PTM information in arthropod venom proteins/toxins.
| PTM Type | Total entries | Experimental | Putative |
|---|---|---|---|
| Disulfide bond | 2489 | 263 | 2226 |
| Amidation | 610 | 359 | 251 |
| Cleavage on pair of basic residues | 166 | nc | nc |
| Glycosylation | 118 | 11 | 107 |
| Pyrrolidone carboxylic acid | 58 | 45 | 13 |
| Zymogen | 40 | nc | nc |
| Formylation | 12 | 2 | 10 |
| Phosphorylation | 6 | 4 | 2 |
| Oxidation | 5 | 4 | 1 |
| Palmitate | 3 | 2 | 1 |
| Acetylation | 2 | 2 | 0 |
| Autocatalytic cleavage | 1 | 0 | 1 |
| D-amino acid | 1 | 1 | 0 |
| Hydroxylation | 1 | 1 | 0 |
nc: not classified