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'''NMR SOLUTION STRUCTURE OF CALERYTHRIN, AN EF-HAND CALCIUM-BINDING PROTEIN''' | '''NMR SOLUTION STRUCTURE OF CALERYTHRIN, AN EF-HAND CALCIUM-BINDING PROTEIN''' | ||
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[[Category: Permi, P.]] | [[Category: Permi, P.]] | ||
[[Category: Tossavainen, H.]] | [[Category: Tossavainen, H.]] | ||
[[Category: | [[Category: Ef-hand]] | ||
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Revision as of 00:07, 3 May 2008
NMR SOLUTION STRUCTURE OF CALERYTHRIN, AN EF-HAND CALCIUM-BINDING PROTEIN
Overview
The structure of calerythrin, a prokaryotic 20 kDa calcium-binding protein has been determined by solution NMR spectroscopy. Distance, dihedral angle, J coupling, secondary chemical shift, residual dipolar coupling and radius of gyration restraints reveal four EF-hand motifs arranged in a compact globular structure. A tight turn in the middle of the amino acid sequence brings the two halves, each comprising a pair of EF-hands, close together. The structural similarity between calerythrin and the eukaryotic sarcoplasmic calcium-binding proteins is notable.
About this Structure
1NYA is a Single protein structure of sequence from Saccharopolyspora erythraea. Full crystallographic information is available from OCA.
Reference
NMR solution structure of calerythrin, an EF-hand calcium-binding protein from Saccharopolyspora erythraea., Tossavainen H, Permi P, Annila A, Kilpelainen I, Drakenberg T, Eur J Biochem. 2003 Jun;270(11):2505-12. PMID:12755706 Page seeded by OCA on Sat May 3 03:07:48 2008
