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Mol. Cell Oct (2000); 6(4):899-907
Structure of the TPR domain of p67phox in complex with Rac.GTP.
Lapouge K, Smith SJ, Walker PA, Gamblin SJ, Smerdon SJ, Rittinger K
Division of Protein Structure, National Institute for Medical Research, London, United Kingdom.
Abstract: 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.
[PUBMED: 11090627] Download Biogrid Interactions in a variety of formats including PSI FormatPUBMED
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Chris Stark, Bobby-Joe Breitkreutz, Teresa Reguly, Lorrie Boucher, Ashton Breitkreutz, Mike Tyers.
Nucleic Acids Res. Jan 1;34:D535-9.