1VSU:
reference: An unexpected phosphate binding site in Glyceraldehyde 3-Phosphate Dehydrogenase: Crystal structures of apo, holo and ternary complex of Cryptosporidium parvum enzyme., Cook WJ, Senkovich O, Chattopadhyay D, BMC Struct Biol. 2009 Feb 25;9(1):9. PMID: 19243605

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