Status	Description	Organism	Genes	References
	putative 4-methylmuconolactone methylisomerase	Acinetobacter radioresistens	GM6F-208
	4-methylmuconolactone methylisomerase	Cupriavidus necator	mmlI
	4-methylmuconolactone methylisomerase	Cupriavidus basilensis	G17TY-1993
	4-methylmuconolactone methylisomerase	Ralstonia eutropha	mmlI