4UCW:
reference: A Threonine Stabilizes the NiC and NiR Catalytic Intermediates of [NiFe]-hydrogenase., Abou-Hamdan A, Ceccaldi P, Lebrette H, Guti Eacuterrez-Sanz O, Richaud P, Cournac L, Guigliarelli B, de Lacey AL, L Eacuteger C, Volbeda A, Burlat BE, Dementin SE, J Biol Chem. 2015 Feb 9. pii: jbc.M114.630491. PMID: 25666617

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