1GP6:
reference: Structure and mechanism of anthocyanidin synthase from Arabidopsis thaliana., Wilmouth RC, Turnbull JJ, Welford RW, Clifton IJ, Prescott AG, Schofield CJ, Structure. 2002 Jan;10(1):93-103. PMID: 11796114

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