Acidithiobacillus ferrooxidans - 676331 Amycolatopsis mediterranei - 391440 Archaeoglobus fulgidus - 676331 Azospirillum brasilense - 391444, 391445, 391446, 391463, 391465, 391466, 391467, 391468, 391469, 654382, 656149, 657306, 676331, 676332 Azospirillum brasilense beta subunit 687801 Azospirillum brasilense Q05755 i.e. large chain GltB, Q05756 i.e. small chain GltD 763361 Bacillus licheniformis - 391449 Bacillus subtilis - 391459, 676331 Bradyrhizobium sp. - 391458 Clostridium saccharobutylicum - 654888