Bacillus subtilis	gene cysH, bispecific enzyme	659441	
Escherichia coli	-	133776, 133777, 393953, 659140, 659214, 685145, 742273	
Escherichia coli	K12	133780	
Escherichia coli	recombinant enzyme	133778	
Laccaria bicolor	-	670348	
Laccaria bicolor S238N	-	670348	
Mycobacterium tuberculosis	-	712502	
Pseudomonas aeruginosa	-	698950	
Saccharomyces cerevisiae	-	133775	
Synechococcus sp.	PCC7942	133779