| PTM Description | Ubiquitinleucine |
| Modified Amino Acid | L |
| Position of Modification on Amino Acid | protein backbone |
| Position in the Polypeptide | N-terminal amino group |
| Correction Formula | H-2;O-1 |
| Monoisotopic Mass Difference | 18.0106 |
| Average Mass Difference | 18.02 |
| Localization | extracellular and lumenal localisation [Detail] |
| RESID ID | none |