1j74

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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1j74 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1j74 OCA], [http://www.ebi.ac.uk/pdbsum/1j74 PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1j74 RCSB]</span>
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Revision as of 18:29, 30 March 2008

Image:1j74.jpg


PDB ID 1j74

Drag the structure with the mouse to rotate
, resolution 1.9Å
Resources: FirstGlance, OCA, PDBsum, RCSB
Coordinates: save as pdb, mmCIF, xml



Crystal Structure of Mms2


Overview

The ubiquitin conjugating enzyme complex Mms2-Ubc13 plays a key role in post-replicative DNA repair in yeast and the NF-kappaB signal transduction pathway in humans. This complex assembles novel polyubiquitin chains onto yet uncharacterized protein targets. Here we report the crystal structure of a complex between hMms2 (Uev1) and hUbc13 at 1.85 A resolution and a structure of free hMms2 at 1.9 A resolution. These structures reveal that the hMms2 monomer undergoes a localized conformational change upon interaction with hUbc13. The nature of the interface provides a physical basis for the preference of Mms2 for Ubc13 as a partner over a variety of other structurally similar ubiquitin-conjugating enzymes. The structure of the hMms2-hUbc13 complex provides the conceptual foundation for understanding the mechanism of Lys 63 multiubiquitin chain assembly and for its interactions with the RING finger proteins Rad5 and Traf6.

About this Structure

1J74 is a Single protein structure of sequence from Homo sapiens. Full crystallographic information is available from OCA.

Reference

Crystal structure of the human ubiquitin conjugating enzyme complex, hMms2-hUbc13., Moraes TF, Edwards RA, McKenna S, Pastushok L, Xiao W, Glover JN, Ellison MJ, Nat Struct Biol. 2001 Aug;8(8):669-73. PMID:11473255

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