Status	Description	Organism	Genes	References
	aconitase/homoaconitase/3-isopropylmalate dehydratase, large subunit	Dehalococcoides mccartyi	G1358-379
	dihomocitrate dehydratase	Methanotorris formicicus	G11MC-32
	dihomocitrate dehydratase	Methanobrevibacter smithii	GMLV-372