Status	Description	Organism	Genes	References
	crotonyl-CoA carboxylase/reductase	Amycolatopsis orientalis	ccr
	crotonyl-CoA carboxylase/reductase	Methylobacterium extorquens	ccr
	crotonyl-CoA carboxylase/reductase	Methylobacterium extorquens	ccr
	crotonyl-CoA carboxylase/reductase	Phaeobacter gallaeciensis	G13B5-3094
	crotonyl-CoA carboxylase/reductase	Rhodobacter sphaeroides	GJAS-2637
	crotonyl CoA carboxylase/reductase	Streptomyces collinus	kirN
	crotonyl CoA carboxylase/reductase	Streptomyces collinus	kirN
	crotonyl-CoA carboxylase/reductase	Streptomyces coelicolor	ccr