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Common histone post-translational modifications.
| Modifications | Mass shift (Da) | Modified residues |
|---|---|---|
| Acetylation | 42.0106 | K, N-terminal |
| Methylation | 14.0156 | K, R |
| Phosphorylation | 79.9663 | S, T, Y |
| Oxidation | 15.9949 | M |
| Ubiquitination | 114.0429* | K |
When digestedby trypsin, the ubiquitin side chain leaves the dipeptide GlyGly.
