5B36:
reference: Three-dimensional structure of a new enzyme, O-phosphoserine sulfhydrylase, involved in l-cysteine biosynthesis by a hyperthermophilic archaeon, Aeropyrum pernix K1, at 2.0A resolution., Oda Y, Mino K, Ishikawa K, Ataka M, J Mol Biol. 2005 Aug 12;351(2):334-44. PMID: 16005886

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