Calmodulin

PDB entry 1AHR (with coordination bonds added)
(page prepared by AZ from Chem 351, Spring 2004)
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Cruiser Index

Primary citation: Tabernero, L., Taylor, D. A., Chandross, R. J., VanBerkum, M. F., Means, A. R., Quiocho, F. A., Sack, J. S.: The structure of a calmodulin mutant with a deletion in the central helix: implications for molecular recognition and protein binding. Structure 5, pp. 613 (1997)
Coordination number of calcium: 6
Atoms bonded to metal center and bond lengths (A)
Asp 56 2.386
Thr 62 2.370
Glu 67 2.302
Asp 20 2.112
Water 2.013
Asn 60 2.170