5A1T:
reference: Gradual neofunctionalization in the convergent evolution of trichomonad lactate and malate dehydrogenases., Steindel PA, Chen EH, Wirth JD, Theobald DL, Protein Sci. 2016 Feb 17. doi: 10.1002/pro.2904. PMID: 26889885

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