1qwf
From Proteopedia
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[[Image:1qwf.jpg|left|200px]] | [[Image:1qwf.jpg|left|200px]] | ||
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'''C-SRC SH3 DOMAIN COMPLEXED WITH LIGAND VSL12''' | '''C-SRC SH3 DOMAIN COMPLEXED WITH LIGAND VSL12''' | ||
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[[Category: Rickles, R J.]] | [[Category: Rickles, R J.]] | ||
[[Category: Schreiber, S L.]] | [[Category: Schreiber, S L.]] | ||
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Revision as of 03:46, 3 May 2008
C-SRC SH3 DOMAIN COMPLEXED WITH LIGAND VSL12
Overview
Two dodecapeptides belonging to distinct classes of Src homology 3 (SH3) ligands and selected from biased phage display libraries were used to investigate interactions between a specificity pocket in the Src SH3 domain and ligant residues flanking the proline-rich core. The solution structures of c-Src SH3 complexed with these peptides were solved by NMR. In addition to proline-rich, polyproline type II helix-forming core, the class I and II ligands each possesses a flanking sequence that occupies a large pocket between the RT and n-Src loops of the SH3 domain. Structural and mutational analyses illustrate how the two classes of SH3 ligands exploit a specificity pocket on the receptor differently to increase binding affinity and specificity.
About this Structure
1QWF is a Single protein structure of sequence from Avian sarcoma virus. Full crystallographic information is available from OCA.
Reference
Specific interactions outside the proline-rich core of two classes of Src homology 3 ligands., Feng S, Kasahara C, Rickles RJ, Schreiber SL, Proc Natl Acad Sci U S A. 1995 Dec 19;92(26):12408-15. PMID:8618911 Page seeded by OCA on Sat May 3 06:46:39 2008