1IGV:
reference: Structural basis for the negative allostery between Ca(2+)- and Mg(2+)-binding in the intracellular Ca(2+)-receptor calbindin D9k., Andersson M, Malmendal A, Linse S, Ivarsson I, Forsen S, Svensson LA, Protein Sci 1997 Jun;6(6):1139-47. PMID: 9194174

This OCA Structure page
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