3.4.19.12 | ubiquitination |
monoubiquitination is a posttranslational modification of UCH-L1 that controls the function of UCH-L1. It may occur reversibly to a lysine residue near the active site, probably K157, of UCH-L1. This modification restricts enzyme activity by preventing binding to the ubiquitinated targets, and permanent mono-ubiquitination, as mimicked by a ubiquitin-UCH-L1 fusion, inhibits UCH-L1 in its capacity to increase free ubiquitin levels. However, the lifetime of this modification on UCH-L1 is regulated by auto-deubiquitination |
707579 |