Organism	Genes	References
Escherichia coli	frdA	[287, 140, 208, 240, 210, 280, 221, 223]
Escherichia coli	frdB	[217, 298, 208, 240, 210, 185, 223]
Escherichia coli	frdC	[217, 298, 208, 240, 210, 185, 223]
Escherichia coli	frdD	[208, 240, 210, 223]