6ADH:
reference: Structure of a triclinic ternary complex of horse liver alcohol dehydrogenase at 2.9 A resolution., Eklund H, Samma JP, Wallen L, Branden CI, Akeson A, Jones TA, J Mol Biol. 1981 Mar 15;146(4):561-87. PMID: 7024556

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