Article
Structure of a RING E3 ligase and ubiquitin-loaded E2 primed for catalysis.
Nature - 6 Sept 2012
Plechanovová Anna, Jaffray Ellis G, Tatham Michael H, Naismith James H, Hay Ronald T
Abstract excerpt
Ubiquitin modification is mediated by a large family of specificity determining ubiquitin E3 ligases. To facilitate ubiquitin transfer, RING E3 ligases bind both substrate and a ubiquitin E2 conjugating enzyme linked to ubiquitin via a thioester bond, but the mechanism of transfer has remained elusive. Here we report the crystal structure of the dimeric RING domain of rat RNF4 in complex with E2 (UbcH5A) linked...
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