4H0P:
reference: Crystal structures of acetate kinases from the eukaryotic pathogens Entamoeba histolytica and Cryptococcus neoformans., Thaker TM, Tanabe M, Fowler ML, Preininger AM, Ingram-Smith C, Smith KS, Iverson TM, J Struct Biol. 2012 Nov 16. pii: S1047-8477(12)00313-9. doi:, 10.1016/j.jsb.2012.11.001. PMID: 23159802

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