3f92
From Proteopedia
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3f92 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3f92 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=3f92 RCSB], [http://www.ebi.ac.uk/pdbsum/3f92 PDBsum]</span></td></tr> | <tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3f92 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3f92 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=3f92 RCSB], [http://www.ebi.ac.uk/pdbsum/3f92 PDBsum]</span></td></tr> | ||
</table> | </table> | ||
+ | == Function == | ||
+ | [[http://www.uniprot.org/uniprot/UBE2K_HUMAN UBE2K_HUMAN]] Accepts ubiquitin from the E1 complex and catalyzes its covalent attachment to other proteins. In vitro, in the presence or in the absence of BRCA1-BARD1 E3 ubiquitin-protein ligase complex, catalyzes the synthesis of 'Lys-48'-linked polyubiquitin chains. Does not transfer ubiquitin directly to but elongates monoubiquitinated substrate protein. Mediates the selective degradation of short-lived and abnormal proteins, such as the endoplasmic reticulum-associated degradation (ERAD) of misfolded lumenal proteins. Ubiquitinates huntingtin. May mediate foam cell formation by the suppression of apoptosis of lipid-bearing macrophages through ubiquitination and subsequence degradation of p53/TP53. Proposed to be involved in ubiquitination and proteolytic processing of NF-kappa-B; in vitro supports ubiquitination of NFKB1. In case of infection by cytomegaloviruses may be involved in the US11-dependent degradation of MHC class I heavy chains following their export from the ER to the cytosol. In case of viral infections may be involved in the HPV E7 protein-dependent degradation of RB1.<ref>PMID:8702625</ref> <ref>PMID:10634809</ref> <ref>PMID:10675012</ref> <ref>PMID:16714285</ref> <ref>PMID:16868077</ref> <ref>PMID:17873885</ref> <ref>PMID:20061386</ref> <ref>PMID:19906396</ref> | ||
== Evolutionary Conservation == | == Evolutionary Conservation == | ||
[[Image:Consurf_key_small.gif|200px|right]] | [[Image:Consurf_key_small.gif|200px|right]] |
Revision as of 19:33, 24 December 2014
Crystal structure of ubiquitin-conjugating enzyme E2-25kDa (Huntington Interacting Protein 2) M172A mutant crystallized at pH 8.5
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Categories: Homo sapiens | Ubiquitin--protein ligase | Flatt, J W | Hughes, R C | Meehan, E J | Ng, J D | Twigg, P D | Wilson, R C | E2-25k | Hip-2 | Huntington interacting | Huntington-interacting protein 2 | Ligase | Ubiquitin carrier protein | Ubiquitin-conjugating | Ubiquitin-conjugating enzyme e2 k | Ubiquitin-protein ligase | Ubl conjugation pathway