3RIM:
reference: Structure and function of the transketolase from Mycobacterium tuberculosis and comparison with the human enzyme., Fullam E, Pojer F, Bergfors T, Jones TA, Cole ST, Open Biol. 2012 Jan;2(1):110026. doi: 10.1098/rsob.110026. PMID: 22645655

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