# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.20276 Archaea.15721 Euryarchaeota.14379 Thermoplasma.651 - tac.421 tac:Ta0425 formate dehydrogenase related protein; K00123 formate dehydrogenase major subunit [EC:1.17.1.9] OC.20276 Archaea.15721 Euryarchaeota.14379 Thermoplasma.651 - tvo.253 tvo:TVG0257496 TVG0257496; formate hydrogenase; K00123 formate dehydrogenase major subunit [EC:1.17.1.9] OC.20276 Archaea.15721 Euryarchaeota.14379 - - pto.1033 pto:PTO1039 formate dehydrogenase alpha chain; K00123 formate dehydrogenase major subunit [EC:1.17.1.9] OC.20276 Archaea.15721 Euryarchaeota.14379 Ferroplasma.824 - fac.1856 fac:FACI_IFERC01G1916 hypothetical protein; K00123 formate dehydrogenase major subunit [EC:1.17.1.9] OC.20276 Archaea.15721 Euryarchaeota.14379 Ferroplasma.824 - fai.854 fai:FAD_0903 formate dehydrogenase alpha chain; K00123 formate dehydrogenase major subunit [EC:1.17.1.9] OC.20277 Archaea.11442 Crenarchaeota.634 - - sto.128 sto:STK_00810 putative formate dehydrogenase; K00123 formate dehydrogenase major subunit [EC:1.17.1.9] OC.20277 Archaea.11442 Crenarchaeota.634 Sulfolobus.558 Sulfolobus_solfataricus.2038 sso.2377 sso:SSO2824 fdhF-2; Formate dehydrogenase Alpha subunit (fdhF-2); K00123 formate dehydrogenase major subunit [EC:1.17.1.9] OC.20277 Archaea.11442 Crenarchaeota.634 Sulfolobus.558 Sulfolobus_solfataricus.2038 sol.621 sol:Ssol_0641 formate dehydrogenase, alpha subunit; K00123 formate dehydrogenase major subunit [EC:1.17.1.9] OC.20277 Archaea.11442 Crenarchaeota.634 Sulfolobus.558 Sulfolobus_solfataricus.2038 ssoa.616 ssoa:SULA_0631 oxidoreductase; K00123 formate dehydrogenase major subunit [EC:1.17.1.9] OC.20277 Archaea.11442 Crenarchaeota.634 Sulfolobus.558 Sulfolobus_solfataricus.2038 ssol.620 ssol:SULB_0633 oxidoreductase; K00123 formate dehydrogenase major subunit [EC:1.17.1.9] OC.20277 Archaea.11442 Crenarchaeota.634 Sulfolobus.558 Sulfolobus_solfataricus.2038 ssof.615 ssof:SULC_0631 oxidoreductase; K00123 formate dehydrogenase major subunit [EC:1.17.1.9] OC.20277 Archaea.11442 Crenarchaeota.634 Sulfolobus.558 Sulfolobus_acidocaldarius.1498 sai.306 sai:Saci_0320 fdhF; formate dehydrogenase alpha chain; K00123 formate dehydrogenase major subunit [EC:1.17.1.9] OC.20277 Archaea.11442 Crenarchaeota.634 Sulfolobus.558 Sulfolobus_acidocaldarius.1498 sacn.314 sacn:SacN8_01570 formate dehydrogenase alpha chain; K00123 formate dehydrogenase major subunit [EC:1.17.1.9] OC.20277 Archaea.11442 Crenarchaeota.634 Sulfolobus.558 Sulfolobus_acidocaldarius.1498 sacr.314 sacr:SacRon12I_01570 formate dehydrogenase alpha chain; K00123 formate dehydrogenase major subunit [EC:1.17.1.9] OC.20277 Archaea.11442 Crenarchaeota.634 Sulfolobus.558 Sulfolobus_acidocaldarius.1498 sacs.322 sacs:SUSAZ_01620 oxidoreductase; K00123 formate dehydrogenase major subunit [EC:1.17.1.9] OC.20277 Archaea.11442 Crenarchaeota.634 Sulfolobus.558 Sulfolobus_islandicus.1515 sis.2367 sis:LS215_2641 formate dehydrogenase, alpha subunit; K00123 formate dehydrogenase major subunit [EC:1.17.1.9] OC.20277 Archaea.11442 Crenarchaeota.634 Sulfolobus.558 Sulfolobus_islandicus.1515 sia.2250 sia:M1425_2474 formate dehydrogenase, alpha subunit; K00123 formate dehydrogenase major subunit [EC:1.17.1.9] OC.20277 Archaea.11442 Crenarchaeota.634 Sulfolobus.558 Sulfolobus_islandicus.1515 sim.2310 sim:M1627_2542 formate dehydrogenase, alpha subunit; K00123 formate dehydrogenase major subunit [EC:1.17.1.9] OC.20277 Archaea.11442 Crenarchaeota.634 Sulfolobus.558 Sulfolobus_islandicus.1515 sid.2379 sid:M164_2471 formate dehydrogenase, alpha subunit; K00123 formate dehydrogenase major subunit [EC:1.17.1.9] OC.20277 Archaea.11442 Crenarchaeota.634 Sulfolobus.558 Sulfolobus_islandicus.1515 siy.2452 siy:YG5714_2625 formate dehydrogenase, alpha subunit; K00123 formate dehydrogenase major subunit [EC:1.17.1.9] OC.20277 Archaea.11442 Crenarchaeota.634 Sulfolobus.558 Sulfolobus_islandicus.1515 sin.279 sin:YN1551_0286 formate dehydrogenase, alpha subunit; K00123 formate dehydrogenase major subunit [EC:1.17.1.9] OC.20277 Archaea.11442 Crenarchaeota.634 Sulfolobus.558 Sulfolobus_islandicus.1515 sii.2545 sii:LD85_2784 formate dehydrogenase, alpha subunit; K00123 formate dehydrogenase major subunit [EC:1.17.1.9] OC.20277 Archaea.11442 Crenarchaeota.634 Sulfolobus.558 Sulfolobus_islandicus.1515 sih.2369 sih:SiH_2417 formate dehydrogenase, alpha subunit; K00123 formate dehydrogenase major subunit [EC:1.17.1.9] OC.20277 Archaea.11442 Crenarchaeota.634 Sulfolobus.558 Sulfolobus_islandicus.1515 sir.2386 sir:SiRe_2464 formate dehydrogenase, alpha subunit; K00123 formate dehydrogenase major subunit [EC:1.17.1.9] OC.20277 Archaea.11442 Crenarchaeota.634 Sulfolobus.558 Sulfolobus_islandicus.1515 sic.2273 sic:SiL_2323 putative anaerobic dehydrogenase; K00123 formate dehydrogenase major subunit [EC:1.17.1.9] OC.20277 Archaea.11442 Crenarchaeota.634 Sulfolobus.7110 - sula.2068 sula:BFU36_11170 formate dehydrogenase subunit alpha; K00123 formate dehydrogenase major subunit [EC:1.17.1.9] OC.20277 Archaea.11442 Crenarchaeota.634 Metallosphaera.1809 - mse.1297 mse:Msed_1318 formate dehydrogenase, alpha subunit; K00123 formate dehydrogenase major subunit [EC:1.17.1.9] OC.20277 Archaea.11442 Crenarchaeota.634 Metallosphaera.1809 - mhk.2148 mhk:DFR87_12045 formate dehydrogenase subunit alpha; K00123 formate dehydrogenase major subunit [EC:1.17.1.9] OC.20277 Archaea.11442 Crenarchaeota.634 Metallosphaera.2010 - mcn.889 mcn:Mcup_0891 formate dehydrogenase, alpha subunit; K00123 formate dehydrogenase major subunit [EC:1.17.1.9] OC.20277 Archaea.11442 Crenarchaeota.634 Acidianus.1229 - aman.800 aman:B6F84_03955 formate dehydrogenase subunit alpha; K00123 formate dehydrogenase major subunit [EC:1.17.1.9] OC.20277 Archaea.11442 Crenarchaeota.634 Acidianus.1229 - abri.2468 abri:DFR85_13965 formate dehydrogenase subunit alpha; K00123 formate dehydrogenase major subunit [EC:1.17.1.9] OC.20277 Archaea.11442 Crenarchaeota.634 Acidianus.1229 - asul.746 asul:DFR86_03860 formate dehydrogenase subunit alpha; K00123 formate dehydrogenase major subunit [EC:1.17.1.9] OC.20277 Archaea.11442 Crenarchaeota.634 Acidianus.3918 - aho.1693 aho:Ahos_1717 formate dehydrogenase, alpha subunit; K00123 formate dehydrogenase major subunit [EC:1.17.1.9] OC.20278 Archaea.41967 Crenarchaeota.12452 Thermoproteus.1837 - ttn.1216 ttn:TTX_1269 fdhA; formate dehydrogenase/NuoG; K00123 formate dehydrogenase major subunit [EC:1.17.1.9] OC.20278 Archaea.41967 Crenarchaeota.12452 Vulcanisaeta.2460 - vmo.814 vmo:VMUT_0815 formate dehydrogenase, alpha subunit; K00123 formate dehydrogenase major subunit [EC:1.17.1.9] OC.20279 Archaea.28648 Euryarchaeota.32388 Methanosaeta.1029 - mtp.902 mtp:Mthe_0915 formate dehydrogenase, alpha subunit (F420); K05299 formate dehydrogenase (NADP+) alpha subunit [EC:1.17.1.10] OC.20279 Archaea.28648 Euryarchaeota.32388 Methanosaeta.1029 - mcj.2372 mcj:MCON_3277 fdhA; formate dehydrogenase, alpha subunit OC.20279 Archaea.28648 Euryarchaeota.32388 Methanosaeta.1029 - mhi.710 mhi:Mhar_0689 Formate dehydrogenase, alpha subunit OC.20279 Archaea.28648 Euryarchaeota.32388 Methanosaeta.1029 - mhi.1241 mhi:Mhar_1279 Formate dehydrogenase, alpha subunit OC.20280 Archaea.51456 Euryarchaeota.18120 Thermoplasma.750 - tac.53 tac:Ta0045 probable formate dehydrogenase, alpha subunit; K22516 formate dehydrogenase (coenzyme F420) alpha subunit [EC:1.17.98.3 1.8.98.6] OC.20280 Archaea.51456 Euryarchaeota.18120 Thermoplasma.750 - tvo.14 tvo:TVG0003442 TVG0003442; formate ferredoxin oxidoreductase [FMOR] alpha subunit; K22516 formate dehydrogenase (coenzyme F420) alpha subunit [EC:1.17.98.3 1.8.98.6] OC.20281 Archaea.45388 Crenarchaeota.16978 Staphylothermus.1434 - shc.691 shc:Shell_0724 formate dehydrogenase, alpha subunit; K22516 formate dehydrogenase (coenzyme F420) alpha subunit [EC:1.17.98.3 1.8.98.6]