Li, F.; Hagemeier, C.H.; Seedorf, H.; Gottschalk, G.; Thauer, R.K.
Re-citrate synthase from Clostridium kluyveri is phylogenetically related to homocitrate synthase and isopropylmalate synthase rather than to Si-citrate synthase (2007), J. Bacteriol., 189, 4299-4304.