Status Description Organism Genes References
cysteine synthase Alicyclobacillus acidocaldarius GCIO-2378
cysteine synthase A Aggregatibacter actinomycetemcomitans GJBF-1531
cysteine synthase B Alishewanella aestuarii G10GE-559
cysteine synthase B Alishewanella agri G10HS-1643
cysteine synthase Agrobacterium albertimagni G10FL-2925
cysteine synthase Agrobacterium albertimagni G10FL-2010
cystathionine beta-synthase Arthrobacter arilaitensis GI6T-2452
cystathionine beta-synthase Arthrobacter aurescens GI59-2981
putative cysteine synthase Azospirillum brasilense G13A1-7364
cysteine synthase Azospirillum brasilense G13A1-230