1zgu | pdb_00001zgu

Solution structure of the human Mms2-Ubiquitin complex

spinqualitylabelsall models 1zgu, 10 NMR models Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 1zgu is a 2 chain structure with sequence from Human. Full experimental information is available from OCA. For a guided tour on the structure components use FirstGlance. Gene: UBE2V2, MMS2 (HUMAN) Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function [UB2V2_HUMAN] Has no ubiquitin ligase activity on its own. The UBE2V2/UBE2N heterodimer catalyzes the synthesis of non-canonical poly-ubiquitin chains that are linked through 'Lys-63'. This type of poly-ubiquitination does not lead to protein degradation by the proteasome. Mediates transcriptional activation of target genes. Plays a role in the control of progress through the cell cycle and differentiation. Plays a role in the error-free DNA repair pathway and contributes to the survival of cells after DNA damage. Evolutionary Conservation Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf. Publication Abstract from PubMed Modification of proteins by post-translational covalent attachment of a single, or chain, of ubiquitin molecules serves as a signaling mechanism for a number of regulatory functions in eukaryotic cells. For example, proteins tagged with lysine-63 linked polyubiquitin chains are involved in error-free DNA repair. The catalysis of lysine-63 linked polyubiquitin chains involves the sequential activity of three enzymes (E1, E2, and E3) that ultimately transfer a ubiquitin thiolester intermediate to a protein target. The E2 responsible for catalysis of lysine-63 linked polyubiquitination is a protein heterodimer consisting of a canonical E2 known as Ubc13, and an E2-like protein, or ubiquitin conjugating enzyme variant (UEV), known as Mms2. We have determined the solution structure of the complex formed by human Mms2 and ubiquitin using high resolution, solution state nuclear magnetic resonance (NMR) spectroscopy. The structure of the Mms2-Ub complex provides important insights into the molecular basis underlying the catalysis of lysine-63 linked polyubiquitin chains. Structural basis for non-covalent interaction between ubiquitin and the ubiquitin conjugating enzyme variant human MMS2.,Lewis MJ, Saltibus LF, Hau DD, Xiao W, Spyracopoulos L J Biomol NMR. 2006 Feb;34(2):89-100. PMID:16518696 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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