2c2l: Difference between revisions
New page: left|200px<br /> <applet load="2c2l" size="450" color="white" frame="true" align="right" spinBox="true" caption="2c2l, resolution 3.30Å" /> '''CRYSTAL STRUCTURE O... |
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==About this Structure== | ==About this Structure== | ||
2C2L is a [[http://en.wikipedia.org/wiki/Protein_complex Protein complex]] structure of sequences from [[http://en.wikipedia.org/wiki/Mus_musculus Mus musculus]] with SO4 and NI as [[http://en.wikipedia.org/wiki/ligands ligands]]. Full crystallographic information is available from [[http://ispc.weizmann.ac.il/oca-bin/ocashort?id=2C2L OCA]]. | 2C2L is a [[http://en.wikipedia.org/wiki/Protein_complex Protein complex]] structure of sequences from [[http://en.wikipedia.org/wiki/Mus_musculus Mus musculus]] with SO4 and NI as [[http://en.wikipedia.org/wiki/ligands ligands]]. Structure known Active Site: AC1. Full crystallographic information is available from [[http://ispc.weizmann.ac.il/oca-bin/ocashort?id=2C2L OCA]]. | ||
==Reference== | ==Reference== | ||
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[[Category: ubiquitinylation]] | [[Category: ubiquitinylation]] | ||
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Revision as of 09:43, 30 October 2007
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CRYSTAL STRUCTURE OF THE CHIP U-BOX E3 UBIQUITIN LIGASE
OverviewOverview
CHIP is a dimeric U box E3 ubiquitin ligase that binds Hsp90 and/or Hsp70, via its TPR-domain, facilitating ubiquitylation of chaperone bound client, proteins. We have determined the crystal structure of CHIP bound to an, Hsp90 C-terminal decapeptide. The structure explains how CHIP associates, with either chaperone type and reveals an unusual asymmetric homodimer in, which the protomers adopt radically different conformations. Additionally, we identified CHIP as a functional partner of Ubc13-Uev1a in formation of, Lys63-linked polyubiquitin chains, extending CHIP's roles into ubiquitin, regulation as well as targeted destruction. The structure of Ubc13-Uev1a, bound to the CHIP U box domain defines the basis for selective cooperation, of CHIP with specific ubiquitin-conjugating enzymes. ... [(full description)]
About this StructureAbout this Structure
2C2L is a [Protein complex] structure of sequences from [Mus musculus] with SO4 and NI as [ligands]. Structure known Active Site: AC1. Full crystallographic information is available from [OCA].
ReferenceReference
Chaperoned ubiquitylation--crystal structures of the CHIP U box E3 ubiquitin ligase and a CHIP-Ubc13-Uev1a complex., Zhang M, Windheim M, Roe SM, Peggie M, Cohen P, Prodromou C, Pearl LH, Mol Cell. 2005 Nov 23;20(4):525-38. PMID:16307917
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