| [A] Pyrobaculum calidifontis (strain JCM 11548 / VA1) | PYRCJ01195 | A3MVG8 | Glutamine amidotransferase of anthranilate synthase |
| [A] Pyrobaculum islandicum (strain DSM 4184 / JCM 9189) | PYRIL01874 | A1RVS8 | Glutamine amidotransferase of anthranilate synthase |
| [A] Haloarcula marismortui | HALMA01350 | TRPG1_HALMA | anthranilate synthase component II |
| [A] Halobacterium salinarium | HALSA01252 | TRPG_HALSA | Anthranilate synthase component II |
| [A] Halobacterium salinarum (strain ATCC 29341 / DSM 671 / R1) | HALS301299 | B0R619 | Anthranilate synthase component II |
| [A] Haloquadratum walsbyi (strain DSM 16790) | HALWD02237 | Q18FJ1 | anthranilate synthase, component II |
| [A] Halorhabdus utahensis (strain DSM 12940 / JCM 11049 / AX-2) | HALUD01270 | C7NN60 | Glutamine amidotransferase of anthranilate synthase |
| [A] Natronomonas pharaonis (strain DSM 2160 / ATCC 35678) | NATPD01623 | Q3IQ35 | anthranilate synthase (EC 4.1.3.27), component II 1 |
| [A] Methanococcus maripaludis | METMP01005 | Q6LYI6 | Anthranilate synthase component II |
| [A] Methanococcus maripaludis (strain C6 / ATCC BAA-1332) | METM601639 | A9AAU3 | Glutamine amidotransferase of anthranilate synthase |
| [A] Methanococcus maripaludis (strain C7 / ATCC BAA-1331) | METM700244 | A6VFU1 | Glutamine amidotransferase of anthranilate synthase |
| [A] Pyrococcus abyssi | PYRAB00462 | Q9V1G6 | TrpG anthranilate synthase component II |
| [A] Pyrococcus furiosus | PYRFU01696 | Q8U091 | Anthranilate synthase component II |
| [A] Thermococcus kodakaraensis | PYRKO00255 | TRPG_PYRKO | anthranilate synthase, component II |
| [A] Thermoplasma volcanium | THEVO01051 | Q979V8 | Anthranilate synthase component II |
| [B] Marinomonas sp. (strain MWYL1) | MARMS00650 | A6VT16 | Glutamine amidotransferase of anthranilate synthase |
| [B] Leptospira biflexa serovar Patoc (strain Patoc 1 / ATCC 23582 / Paris) | LEPBP00029 | B0SK58 | Anthranilate synthase component II |
| [B] Leptospira biflexa serovar Patoc (strain Patoc 1 / Ames) | LEPBA00031 | B0S934 | Anthranilate synthase |