4FUT:
reference: Structure-guided expansion of the substrate range of methylmalonyl-CoA synthetase (MatB) of Rhodopseudomonas palustris., Crosby HA, Rank KC, Rayment I, Escalante-Semerena JC, Appl Environ Microbiol. 2012 Jul 6. PMID: 22773649

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