| [A] Ignicoccus hospitalis (strain KIN4/I / DSM 18386 / JCM 14125) | IGNH400635 | A8AA67 | GMP synthase |
| [A] Archaeoglobus fulgidus | ARCFU00250 | GUAAB_ARCFU | GMP synthase [glutamine-hydrolyzing] subunit B |
| [A] Haloarcula marismortui | HALMA03057 | GUAAB_HALMA | glutamine-hydrolyzing GMP synthase |
| [A] Halobacterium salinarium | HALSA01387 | GUAAB_HALSA | GMP synthase [glutamine-hydrolyzing] subunit B |
| [A] Halobacterium salinarum (strain ATCC 29341 / DSM 671 / R1) | HALS301440 | GUAAB_HALS3 | GMP synthase (Glutamine-hydrolyzing) subunit B |
| [A] Haloquadratum walsbyi (strain DSM 16790) | HALWD02264 | Q18FG4 | GMP synthase, subunit B (glutamine-hydrolyzing) |
| [A] Halorubrum lacusprofundi (strain ATCC 49239 / DSM 5036 / JCM 8891 / ACAM 34) | HALLT02542 | GUAAB_HALLT | GMP synthase, large subunit |
| [A] Natronomonas pharaonis (strain DSM 2160 / ATCC 35678) | NATPD00978 | GUAAB_NATPD | GMP synthase (glutamine-hydrolyzing) (EC 6.3.5.2), subunit B |
| [A] Methanobrevibacter smithii (strain PS / ATCC 35061 / DSM 861) | METS300341 | A5UK22 | GMP synthase (Glutamine-hydrolysing), PP-ATPase domain/subunit, GuaA |
| [A] Methanosphaera stadtmanae (strain DSM 3091) | METST01265 | Q2NER4 | GMP synthase [glutamine hydrolyzing], subunit B COG0519, pfam00958, cd01997 |
| [A] Methanobacterium thermoautotrophicum | METTH00705 | GUAAB_METTH | GMP synthase [glutamine-hydrolyzing] subunit B |
| [A] Methanocaldococcus jannaschii | METJA01157 | GUAAB_METJA | GMP synthase [glutamine-hydrolyzing] subunit B |
| [A] Methanococcus aeolicus (strain Nankai-3 / ATCC BAA-1280) | META300172 | A6UTE3 | GMP synthase, large subunit |
| [A] Methanococcus maripaludis | METMP00894 | GUAAB_METMP | GMP synthase [glutamine-hydrolyzing] subunit B |
| [A] Methanococcus maripaludis (strain C5 / ATCC BAA-1333) | METM500694 | A4FXS8 | GMP synthase, large subunit |
| [A] Methanococcus maripaludis (strain C6 / ATCC BAA-1332) | METM601745 | A9AB49 | GMP synthase, large subunit |
| [A] Methanococcus maripaludis (strain C7 / ATCC BAA-1331) | METM700139 | GUAAB_METM7 | GMP synthase, large subunit |
| [A] Methanococcus vannielii (strain SB / ATCC 35089 / DSM 1224) | METVS00027 | GUAAB_METVS | GMP synthase, large subunit |
| [A] Methanoregula boonei (strain 6A8) | METB602129 | GUAAB_METB6 | GMP synthase, large subunit |
| [A] Methanoculleus marisnigri (strain ATCC 35101 / DSM 1498 / JR1) | METMJ01876 | GUAAB_METMJ | GMP synthase, large subunit |
| [A] Methanosphaerula palustris (strain ATCC BAA-1556 / DSM 19958 / E1-9c) | METPE00067 | GUAAB_METPE | GMP synthase, large subunit |
| [A] Methanospirillum hungatei (strain JF-1 / DSM 864) | METHJ02399 | Q2FSE7 | GMP synthase |
| [A] Methanosaeta thermophila (strain DSM 6194 / PT) | METTP00218 | A0B5Q0 | GMP synthase, large subunit KEGG: mbu:Mbur_0058 GMP synthase, large subunit TIGRFAM: GMP synthase, large subunit PFAM: GMP synthase domain protein; PP-loop domain protein |
| [A] Methanococcoides burtonii (strain DSM 6242) | METBU00056 | GUAAB_METBU | GMP synthase, large subunit |
| [A] Methanosarcina acetivorans | METAC04320 | GUAAB_METAC | GMP synthase [glutamine-hydrolyzing] subunit B |
| [A] Methanosarcina barkeri (strain Fusaro / DSM 804) | METBF01142 | GUAAB_METBF | GMP synthase (glutamine-hydrolyzing) |
| [A] Methanosarcina mazei | METMA01199 | GUAAB_METMA | GMP synthase [glutamine-hydrolyzing] subunit B |
| [A] Methanopyrus kandleri | METKA00363 | GUAAB_METKA | GMP synthase [glutamine-hydrolyzing] subunit B |
| [A] Pyrococcus abyssi | PYRAB00801 | GUAAB_PYRAB | GMP synthase [glutamine-hydrolyzing] subunit B |
| [A] Pyrococcus furiosus | PYRFU01504 | GUAAB_PYRFU | GMP synthase [glutamine-hydrolyzing] subunit B |
| [A] Pyrococcus horikoshii | PYRHO01397 | GUAAB_PYRHO | GMP synthase [glutamine-hydrolyzing] subunit B |
| [A] Thermococcus kodakaraensis | PYRKO00193 | GUAAB_PYRKO | GMP synthase, PP-loop-ATPase component |
| [A] Thermococcus onnurineus (strain NA1) | THEON01901 | B6YVR0 | GMP synthase |
| [A] Picrophilus torridus | PICTO00516 | GUAAB_PICTO | GMP synthase [glutamine-hydrolyzing] subunit B |
| [A] Thermoplasma acidophilum | THEAC01337 | GUAAB_THEAC | GMP synthase [glutamine-hydrolyzing] subunit B |
| [A] Thermoplasma volcanium | THEVO00296 | GUAAB_THEVO | GMP synthase [glutamine-hydrolyzing] subunit B |
| [A] Uncultured methanogenic archaeon RC-I | UNCMA01399 | GUAAB_UNCMA | GMP synthase, glutamine-hydrolyzing |
| [B] Alkaliphilus oremlandii (strain OhILAs) | ALKOO00523 | A8MLI2 | GMP synthase, large subunit |
| [B] Desulfococcus oleovorans (strain DSM 6200 / Hxd3) | DESOH02663 | A8ZXA4 | ExsB family protein |
| [B] Syntrophobacter fumaroxidans (strain DSM 10017 / MPOB) | SYNFM03532 | A0LPD7 | ExsB family protein PFAM: ExsB family protein; PP-loop domain protein KEGG: afu:AF0253 GMP synthase subunit B |
| [B] Opitutus terrae (strain DSM 11246 / PB90-1) | OPITP01241 | B1ZPM0 | ExsB family protein |