1hkx

From Proteopedia

Revision as of 14:32, 5 November 2007

CRYSTAL STRUCTURE OF CALCIUM/CALMODULIN-DEPENDENT PROTEIN KINASE

Overview

We report the crystal structure of the 143 residue association domain of, Ca(2+)/calmodulin-dependent protein kinase II (CaMKII). The association, domain forms a hub-like assembly, composed of two rings of seven protomers, each, which are stacked head to head and held together by extensive, interfaces. The tetradecameric organization of the assembly was confirmed, by analytical ultracentrifugation and multiangle light scattering., Individual protomers form wedge-shaped structures from which N-terminal, helical segments that connect to the kinase domain extend toward the, equatorial plane of the assembly, consistent with the arrangement of the, kinase domains in a second outer ring. A deep and highly conserved pocket, present within the association domain may serve as a docking site for, proteins that interact with CaMKII.

About this Structure

1HKX is a Single protein structure of sequence from Mus musculus with CL, DTT and TBR as ligands. Active as Transferred entry: 2.7.11.17, with EC number 2.7.1.123 Structure known Active Site: AC1. Full crystallographic information is available from OCA.

Reference

Crystal structure of a tetradecameric assembly of the association domain of Ca2+/calmodulin-dependent kinase II., Hoelz A, Nairn AC, Kuriyan J, Mol Cell. 2003 May;11(5):1241-51. PMID:12769848

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