3VRM:
reference: A single mutation at the ferredoxin binding site of p450 vdh enables efficient biocatalytic production of 25-hydroxyvitamin d3., Yasutake Y, Nishioka T, Imoto N, Tamura T, Chembiochem. 2013 Nov 25;14(17):2284-91. doi: 10.1002/cbic.201300386. Epub 2013, Sep 24. PMID: 24115473

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