1aj5

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{{STRUCTURE_1aj5| PDB=1aj5 | SCENE= }}
{{STRUCTURE_1aj5| PDB=1aj5 | SCENE= }}
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'''CALPAIN DOMAIN VI APO'''
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===CALPAIN DOMAIN VI APO===
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==Overview==
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The crystal structure of a Ca(2+)-binding domain (dVI) of rat m-calpain has been determined at 2.3 A resolution, both with and without bound Ca2+. The structures reveal a unique fold incorporating five EF-hand motifs per monomer, three of which bind calcium at physiological calcium concentrations, with one showing a novel EF-hand coordination pattern. This investigation gives us a first view of the calcium-induced conformational changes, and consequently an insight into the mechanism of calcium induced activation in calpain. The crystal structures reveal a dVI homodimer which provides a preliminary model for the subunit dimerization in calpain.
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{{ABSTRACT_PUBMED_9228945}}
==About this Structure==
==About this Structure==
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[[Category: Calcium-dependent protease]]
[[Category: Calcium-dependent protease]]
[[Category: Small subunit]]
[[Category: Small subunit]]
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Revision as of 13:57, 30 June 2008

Template:STRUCTURE 1aj5

CALPAIN DOMAIN VI APO

Template:ABSTRACT PUBMED 9228945

About this Structure

1AJ5 is a Single protein structure of sequence from Rattus norvegicus. Full crystallographic information is available from OCA.

Reference

Structure of a calpain Ca(2+)-binding domain reveals a novel EF-hand and Ca(2+)-induced conformational changes., Blanchard H, Grochulski P, Li Y, Arthur JS, Davies PL, Elce JS, Cygler M, Nat Struct Biol. 1997 Jul;4(7):532-8. PMID:9228945

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