| [A] Methanobrevibacter smithii (strain PS / ATCC 35061 / DSM 861) | METS301111 | A5UM98 | Coenzyme F420-reducing hydrogenase, beta subunit, FrhB |
| [A] Methanosphaera stadtmanae (strain DSM 3091) | METST01258 | Q2NES1 | FrhB F420-reducing hydrogenase subunit beta; COG1035, pfam04432, pfam04422 |
| [A] Methanobacterium thermoautotrophicum | METTH01265 | FRHB_METTH | Coenzyme F420 hydrogenase subunit beta |
| [A] Methanocaldococcus jannaschii | METJA00031 | FRHB_METJA | Coenzyme F420 hydrogenase subunit beta |
| [A] Methanococcus aeolicus (strain Nankai-3 / ATCC BAA-1280) | META301027 | A6UVU8 | Coenzyme F420 hydrogenase/dehydrogenase beta subunit domain protein |
| [A] Methanococcus maripaludis | METMP01385 | Q6LXG6 | Coenzyme F420-reducing hydrogenase subunit beta |
| [A] Methanococcus maripaludis (strain C5 / ATCC BAA-1333) | METM500192 | A4FWD4 | Coenzyme F420 hydrogenase/dehydrogenase beta subunit domain protein |
| [A] Methanococcus maripaludis (strain C6 / ATCC BAA-1332) | METM601274 | A9A9S8 | Coenzyme F420 hydrogenase, subunit beta |
| [A] Methanococcus maripaludis (strain C7 / ATCC BAA-1331) | METM700623 | A6VGX1 | Coenzyme F420 hydrogenase/dehydrogenase beta subunit domain protein |
| [A] Methanococcus vannielii (strain SB / ATCC 35089 / DSM 1224) | METVS00683 | A6UQ29 | Coenzyme F420 hydrogenase/dehydrogenase beta subunit domain protein |
| [A] Methanoregula boonei (strain 6A8) | METB600470 | A7I5I3 | Coenzyme F420 hydrogenase/dehydrogenase beta subunit domain protein |
| [A] Methanocorpusculum labreanum (strain ATCC 43576 / DSM 4855 / Z) | METLZ00012 | A2SPD4 | Membrane protein-like protein |
| [A] Methanoculleus marisnigri (strain ATCC 35101 / DSM 1498 / JR1) | METMJ02150 | A3CXK0 | Coenzyme F420 hydrogenase/dehydrogenase beta subunit domain protein |
| [A] Methanosphaerula palustris (strain ATCC BAA-1556 / DSM 19958 / E1-9c) | METPE00085 | B8GID0 | Coenzyme F420 hydrogenase, subunit beta |
| [A] Methanospirillum hungatei (strain JF-1 / DSM 864) | METHJ02205 | Q2FTG8 | coenzyme F420 hydrogenase/dehydrogenase beta subunit-like |
| [A] Methanosaeta thermophila (strain DSM 6194 / PT) | METTP00168 | A0B5J9 | coenzyme F420 hydrogenase/dehydrogenase beta subunit domain protein PFAM: coenzyme F420 hydrogenase/dehydrogenase beta subunit domain protein KEGG: mhu:Mhun_2329 coenzyme F420 hydrogenase/dehydrogenase beta subunit-like |
| [A] Methanosarcina barkeri (strain Fusaro / DSM 804) | METBF00430 | FRHB_METBF | coenzyme F420 hydrogenase, beta subunit |
| [A] Methanosarcina mazei | METMA02975 | Q8PSN7 | Coenzyme F420 hydrogenase, beta subunit |
| [A] Methanopyrus kandleri | METKA00928 | Q8TWV2 | Coenzyme F420-reducing hydrogenase, beta subunit |
| [A] Uncultured methanogenic archaeon RC-I | UNCMA00764 | Q0W2B1 | coenzyme F420-reducing hydrogenase, beta subunit |