6GHF:
reference: Expanding the Plant GSTome Through Directed Evolution: DNA Shuffling for the Generation of New Synthetic Enzymes With Engineered Catalytic and Binding Properties., Chronopoulou EG, Papageorgiou AC, Ataya F, Nianiou-Obeidat I, Madesis P, Labrou NE, Front Plant Sci. 2018 Nov 30;9:1737. doi: 10.3389/fpls.2018.01737. eCollection, 2018. PMID: 30555496

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