# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.374034 Bacteria.455823 Firmicutes.127797 Firmicutes___Clostridia.67202 Hungateiclostridium.3890 - ccl.909 ccl:Clocl_0978 formate hydrogenlyase subunit 4 OC.374034 Bacteria.455823 Firmicutes.127797 Firmicutes___Clostridia.67202 - - sgy.1955 sgy:Sgly_2059 ech hydrogenase subunit B OC.374034 Bacteria.455823 Firmicutes.127797 Firmicutes___Clostridia.67202 Dehalobacter.762 Dehalobacter_sp_.1812 ded.2693 ded:DHBDCA_p783 Energy-conserving hydrogenase (ferredoxin), subunit B OC.374034 Bacteria.455823 Firmicutes.127797 Firmicutes___Clostridia.67202 Dehalobacter.762 Dehalobacter_sp_.1812 dec.2763 dec:DCF50_p841 Energy-conserving hydrogenase (ferredoxin), subunit B OC.374034 Bacteria.455823 Firmicutes.127797 Firmicutes___Clostridia.67202 Dehalobacter.762 - drs.1523 drs:DEHRE_08350 ech hydrogenase subunit B OC.374034 Bacteria.455823 Firmicutes.127797 Firmicutes___Clostridia.67202 Dehalobacter.2234 Dehalobacter_sp_.385 ded.1345 ded:DHBDCA_p2226 Energy-conserving hydrogenase (ferredoxin), subunit B OC.374034 Bacteria.455823 Firmicutes.127797 Firmicutes___Clostridia.67202 Dehalobacter.2234 Dehalobacter_sp_.385 dec.1357 dec:DCF50_p2236 Energy-conserving hydrogenase (ferredoxin), subunit B OC.374035 Bacteria.861916 Firmicutes.231649 Firmicutes___Clostridia.40685 Hungateiclostridium.2893 Hungateiclostridium_thermocellum.1659 cth.2787 cth:Cthe_3023 respiratory-chain NADH dehydrogenase subunit 1; K14087 ech hydrogenase subunit B OC.374035 Bacteria.861916 Firmicutes.231649 Firmicutes___Clostridia.40685 Hungateiclostridium.2893 Hungateiclostridium_thermocellum.1659 ctx.572 ctx:Clo1313_0574 respiratory-chain NADH dehydrogenase subunit 1; K14087 ech hydrogenase subunit B OC.374035 Bacteria.861916 Firmicutes.231649 Firmicutes___Clostridia.40685 Butyrivibrio.679 - bpb.1416 bpb:bpr_I1405 echB; ech hydrogenase subunit B EchB; K14087 ech hydrogenase subunit B OC.374035 Bacteria.861916 Firmicutes.231649 Firmicutes___Clostridia.40685 Butyrivibrio.679 - bhu.1398 bhu:bhn_I1399 Ech hydrogenase subunit EchB OC.374035 Bacteria.861916 Firmicutes.231649 Firmicutes___Clostridia.40685 Lachnoclostridium.8145 - cpy.1701 cpy:Cphy_1731 respiratory-chain NADH dehydrogenase subunit 1 OC.374036 Bacteria.866180 Firmicutes.242142 Firmicutes___Clostridia.95163 Butyrivibrio.4031 - bfi.2077 bfi:CIY_24650 ech hydrogenase subunit B OC.374038 Bacteria.430644 Firmicutes.231945 Firmicutes___Clostridia.44379 - - adg.533 adg:Adeg_0550 respiratory-chain NADH dehydrogenase subunit 1 OC.374039 Bacteria.430643 Firmicutes.119614 Firmicutes___Clostridia.44377 Clostridium.34497 Clostridium_sp_.3776 clb.3707 clb:Clo1100_3960 formate hydrogenlyase subunit 4 OC.374039 Bacteria.430643 Firmicutes.119614 Firmicutes___Clostridia.44377 - - cce.3108 cce:Ccel_3370 respiratory-chain NADH dehydrogenase subunit 1 OC.374039 Bacteria.430643 Firmicutes.119614 Firmicutes___Clostridia.44377 - - cthd.3403 cthd:CDO33_18820 Ech hydrogenase subunit EchB OC.374039 Bacteria.430643 Firmicutes.119614 Firmicutes___Clostridia.44377 - - ccel.898 ccel:CCDG5_0944 respiratory-chain NADH dehydrogenase subunit 1 OC.374039 Bacteria.430643 Firmicutes.119614 Firmicutes___Clostridia.44377 - - dau.1011 dau:Daud_1099 respiratory-chain NADH dehydrogenase, subunit 1 OC.374039 Bacteria.430643 Firmicutes.119614 Firmicutes___Clostridia.44377 - - tpz.2001 tpz:Tph_c21350 putative ech hydrogenase subunit B OC.374039 Bacteria.430643 Firmicutes.119614 Firmicutes___Clostridia.44377 Caldicellulosiruptor.9 - csc.1373 csc:Csac_1535 respiratory-chain NADH dehydrogenase, subunit 1 OC.374039 Bacteria.430643 Firmicutes.119614 Firmicutes___Clostridia.44377 Caldicellulosiruptor.9 - ate.1005 ate:Athe_1083 respiratory-chain NADH dehydrogenase subunit 1 OC.374039 Bacteria.430643 Firmicutes.119614 Firmicutes___Clostridia.44377 Caldicellulosiruptor.9 - cob.1334 cob:COB47_1442 respiratory-chain NADH dehydrogenase subunit 1 OC.374039 Bacteria.430643 Firmicutes.119614 Firmicutes___Clostridia.44377 Caldicellulosiruptor.9 - chd.1589 chd:Calhy_1653 respiratory-chain NADH dehydrogenase subunit 1 OC.374039 Bacteria.430643 Firmicutes.119614 Firmicutes___Clostridia.44377 Caldicellulosiruptor.9 - cow.838 cow:Calow_0901 respiratory-chain NADH dehydrogenase subunit 1 OC.374039 Bacteria.430643 Firmicutes.119614 Firmicutes___Clostridia.44377 Caldicellulosiruptor.9 - cki.975 cki:Calkr_1072 respiratory-chain NADH dehydrogenase subunit 1 OC.374039 Bacteria.430643 Firmicutes.119614 Firmicutes___Clostridia.44377 Caldicellulosiruptor.9 - ckn.1536 ckn:Calkro_1611 respiratory-chain NADH dehydrogenase subunit 1 OC.374039 Bacteria.430643 Firmicutes.119614 Firmicutes___Clostridia.44377 Caldicellulosiruptor.9 - clc.450 clc:Calla_0501 respiratory-chain NADH dehydrogenase subunit 1 OC.374039 Bacteria.430643 Firmicutes.133494 Firmicutes___Clostridia.82108 - - tte.166 tte:TTE0124 NuoH; NADH:ubiquinone oxidoreductase subunit 1 (chain H); K00337 NADH-quinone oxidoreductase subunit H [EC:7.1.1.2] OC.374039 Bacteria.430643 Firmicutes.133494 Firmicutes___Clostridia.82108 Thermoanaerobacter.2401 - tit.1519 tit:Thit_1616 respiratory-chain NADH dehydrogenase subunit 1 OC.374039 Bacteria.430643 Firmicutes.133494 Firmicutes___Clostridia.82108 Thermoanaerobacter.2401 - tmt.1522 tmt:Tmath_1607 respiratory-chain NADH dehydrogenase subunit 1 OC.374039 Bacteria.430643 Firmicutes.133494 Firmicutes___Clostridia.82108 Thermoanaerobacter.2401 - twi.160 twi:Thewi_0135 respiratory-chain NADH dehydrogenase subunit 1 OC.374039 Bacteria.430643 Firmicutes.133494 Firmicutes___Clostridia.82108 Thermoanaerobacterium.1683 Thermoanaerobacterium_thermosaccharolyticum.351 ttm.134 ttm:Tthe_0119 respiratory-chain NADH dehydrogenase subunit 1 OC.374039 Bacteria.430643 Firmicutes.133494 Firmicutes___Clostridia.82108 Thermoanaerobacterium.1683 Thermoanaerobacterium_thermosaccharolyticum.351 tto.108 tto:Thethe_00113 formate hydrogenlyase subunit 4 OC.374039 Bacteria.430643 Firmicutes.133494 Firmicutes___Clostridia.82108 Thermoanaerobacterium.1683 - txy.121 txy:Thexy_0107 respiratory-chain NADH dehydrogenase subunit 1 OC.374039 Bacteria.430643 Firmicutes.133494 Firmicutes___Clostridia.82108 Thermoanaerobacterium.1683 - tsh.665 tsh:Tsac_0676 respiratory-chain NADH dehydrogenase subunit 1 OC.374041 Bacteria.464484 Firmicutes.40556 Firmicutes___Bacilli.118498 Bacillus.57755 Bacillus_sp_.10201 baci.2230 baci:B1NLA3E_11405 NADH dehydrogenase (quinone) OC.374041 Bacteria.464484 Firmicutes.40556 Firmicutes___Clostridia.73149 Desulfotomaculum.2818 - dca.351 dca:Desca_0342 NADH dehydrogenase (quinone) OC.374041 Bacteria.464484 Firmicutes.40556 Firmicutes___Clostridia.73149 - - tjr.2777 tjr:TherJR_2966 respiratory-chain NADH dehydrogenase subunit 1 OC.374041 Bacteria.464484 Firmicutes.40556 Firmicutes___Clostridia.73149 - - cthm.193 cthm:CFE_0166 carbon monoxide-induced hydrogenase subunit CooK; K00337 NADH-quinone oxidoreductase subunit H [EC:7.1.1.2] OC.374041 Bacteria.464484 Firmicutes.40556 Firmicutes___Clostridia.73149 - - chy.1762 chy:CHY_1831 cooK; carbon monoxide-induced hydrogenase, CooK subunit OC.374041 Bacteria.464484 Firmicutes.275784 Firmicutes___Clostridia.143301 Thermoanaerobacter.3203 - tki.147 tki:TKV_c01240 ech1B; Ech-type complex subunit Ech1B; K00337 NADH-quinone oxidoreductase subunit H [EC:7.1.1.2] OC.374042 Bacteria.431133 Firmicutes.133632 Firmicutes___Clostridia.82378 Thermoanaerobacter.3583 - tki.1860 tki:TKV_c19690 ech2B; Ech-type complex subunit Ech2B; K00337 NADH-quinone oxidoreductase subunit H [EC:7.1.1.2] OC.374042 Bacteria.431133 Firmicutes.133632 Firmicutes___Clostridia.82378 Thermodesulfobium.1209 - tnr.615 tnr:Thena_0636 respiratory-chain NADH dehydrogenase subunit 1 OC.374042 Bacteria.431133 Firmicutes.133632 Firmicutes___Clostridia.82378 Thermodesulfobium.1209 - taci.588 taci:TDSAC_0603 NADH-quinone oxidoreductase subunit H