1JWD:
reference: A structural basis for S100 protein specificity derived from comparative analysis of apo and Ca(2+)-calcyclin., Maler L, Sastry M, Chazin WJ, J Mol Biol 2002 Mar 22;317(2):279-90. PMID: 11902843

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).