1e96
From Proteopedia
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'''STRUCTURE OF THE RAC/P67PHOX COMPLEX''' | '''STRUCTURE OF THE RAC/P67PHOX COMPLEX''' | ||
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[[Category: Smith, S J.M.]] | [[Category: Smith, S J.M.]] | ||
[[Category: Walker, P A.]] | [[Category: Walker, P A.]] | ||
| - | [[Category: | + | [[Category: Gtpase]] |
| - | [[Category: | + | [[Category: Nadph oxidase]] |
| - | [[Category: | + | [[Category: Protein-protein complex]] |
| - | [[Category: | + | [[Category: Signalling complex]] |
| - | [[Category: | + | [[Category: Tpr motif]] |
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Revision as of 11:49, 2 May 2008
STRUCTURE OF THE RAC/P67PHOX COMPLEX
Overview
p67phox is an essential part of the NADPH oxidase, a multiprotein enzyme complex that produces superoxide ions in response to microbial infection. Binding of the small GTPase Rac to p67phox is a key step in the assembly of the active enzyme complex. The structure of Rac.GTP bound to the N-terminal TPR (tetratricopeptide repeat) domain of p67phox reveals a novel mode of Rho family/effector interaction and explains the basis of GTPase specificity. Complex formation is largely mediated by an insertion between two TPR motifs, suggesting an unsuspected versatility of TPR domains in target recognition and in their more general role as scaffolds for the assembly of multiprotein complexes.
About this Structure
1E96 is a Protein complex structure of sequences from Homo sapiens. Full crystallographic information is available from OCA.
Reference
Structure of the TPR domain of p67phox in complex with Rac.GTP., Lapouge K, Smith SJ, Walker PA, Gamblin SJ, Smerdon SJ, Rittinger K, Mol Cell. 2000 Oct;6(4):899-907. PMID:11090627 Page seeded by OCA on Fri May 2 14:49:12 2008
