A Dominant-negative UBC12 Mutant Sequesters NEDD8 and Inhibits NEDD8 Conjugation in Vivo

Abstract excerpt

NEDD8, a novel ubiquitin-like protein, has been shown to conjugate to proteins in a manner analogous to ubiquitination and sentrinization. Recently, human UBC12 was identified as a putative NEDD8 conjugation enzyme (E2). While investigating the in vivo function of UBC12, we found that the point mutant, UBC12(C111S), showed a dominant-negative effect on NEDD8 conjugation. This mutant, with a single Cys-to-Ser...

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