Organism	Genes	References
Escherichia coli	tyrA	[322, 291, 292, 197, 323, 138, 268, 205, 146, 147, 244, 182, 183, 250, 283, 279]
Escherichia coli	pheA	[96, 320, 322, 292, 229, 201, 268, 205, 147, 276, 182, 183, 250, 279]
Zymomonas mobilis	tyrC	[197]