1QLH:
reference: Substitutions in a flexible loop of horse liver alcohol dehydrogenase hinder the conformational change and unmask hydrogen transfer., Ramaswamy S, Park DH, Plapp BV, Biochemistry 1999 Oct 19;38(42):13951-9. PMID: 10529241

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