| Namespace | molecular_function | Obsolete | false |
| description | Isoenergetic transfer of URM1 from one protein to another via the reaction X-URM1 + Y = Y-URM1 + X, where both the X-URM1 and Y-URM1 linkages are thioester bonds between the C-terminal amino acid of URM1 and a sulfhydryl side group of a cysteine residue. |
