1ITW:
reference: Structure of the monomeric isocitrate dehydrogenase: evidence of a protein monomerization by a domain duplication., Yasutake Y, Watanabe S, Yao M, Takada Y, Fukunaga N, Tanaka I, Structure (Camb) 2002 Dec;10(12):1637-48. PMID: 12467571

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