3I4C:
reference: Role of Tryptophan 95 in substrate specificity and structural stability of Sulfolobus solfataricus alcohol dehydrogenase., Pennacchio A, Esposito L, Zagari A, Rossi M, Raia CA, Extremophiles. 2009 Jul 9. PMID: 19588068

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