2h9v
From Proteopedia
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[[Image:2h9v.gif|left|200px]] | [[Image:2h9v.gif|left|200px]] | ||
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'''Structural basis for induced-fit binding of Rho-kinase to the inhibitor Y27632''' | '''Structural basis for induced-fit binding of Rho-kinase to the inhibitor Y27632''' | ||
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[[Category: Miwa, Y.]] | [[Category: Miwa, Y.]] | ||
[[Category: Yamaguchi, H.]] | [[Category: Yamaguchi, H.]] | ||
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Revision as of 03:02, 4 May 2008
Structural basis for induced-fit binding of Rho-kinase to the inhibitor Y27632
Overview
Rho-kinase is a main player in the regulation of cytoskeletal events and a promising drug target in the treatment of both vascular and neurological disorders. Here we report the crystal structure of the Rho-kinase catalytic domain in complex with the specific inhibitor Y-27632. Comparison with the structure of PKA bound to this inhibitor revealed a potential induced-fit binding mode that can be accommodated by the phosphate binding loop. This binding mode resembles to that observed in the Rho-kinase-fasudil complex. A structural database search indicated that a pocket underneath the phosphate-binding loop is present that favors binding to a small aromatic ring. Introduction of such a ring group might spawn a new modification scheme of pre-existing protein kinase inhibitors for improved binding capability.
About this Structure
2H9V is a Single protein structure of sequence from Bos taurus. Full crystallographic information is available from OCA.
Reference
Structural basis for induced-fit binding of Rho-kinase to the inhibitor Y-27632., Yamaguchi H, Miwa Y, Kasa M, Kitano K, Amano M, Kaibuchi K, Hakoshima T, J Biochem. 2006 Sep;140(3):305-11. Epub 2006 Aug 4. PMID:16891330 Page seeded by OCA on Sun May 4 06:02:06 2008