2cm0: Difference between revisions
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Revision as of 19:07, 5 November 2007
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THE PUB DOMAIN FUNCTIONS AS A P97 BINDING MODULE IN HUMAN PEPTIDE N-GLYCANASE.
OverviewOverview
The AAA ATPase p97 is a ubiquitin-selective molecular machine involved in, multiple cellular processes, including protein degradation through the, ubiquitin-proteasome system and homotypic membrane fusion. Specific p97, functions are mediated by a variety of cofactors, among them peptide, N-glycanase, an enzyme that removes glycans from misfolded glycoproteins., Here we report the three-dimensional structure of the aminoterminal PUB, domain of human peptide N-glycanase. We demonstrate that the PUB domain is, a novel p97 binding module interacting with the D1 and/or D2 ATPase, domains of p97 and identify an evolutionary conserved surface patch, required for p97 binding. Furthermore, we show that the PUB and UBX, domains do not bind to p97 in a mutually exclusive manner. Our results, suggest that PUB domain-containing proteins constitute a widespread family, of diverse p97 cofactors.
About this StructureAbout this Structure
2CM0 is a Single protein structure of sequence from Homo sapiens with BME and PEG as ligands. Structure known Active Site: AC1. Full crystallographic information is available from OCA.
ReferenceReference
The PUB domain functions as a p97 binding module in human peptide N-glycanase., Allen MD, Buchberger A, Bycroft M, J Biol Chem. 2006 Sep 1;281(35):25502-8. Epub 2006 Jun 28. PMID:16807242
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