# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.20902 Archaea.22954 Euryarchaeota.24806 Methanosphaera.177 - mst.157 mst:Msp_0127 hdrA2; HdrA2; K22480 heterodisulfide reductase subunit A1 [EC:1.8.7.3] OC.20902 Archaea.22954 Euryarchaeota.24806 Methanosphaera.177 - metb.1164 metb:AW729_06500 disulfide reductase; K22480 heterodisulfide reductase subunit A1 [EC:1.8.7.3] OC.20902 Archaea.22954 Euryarchaeota.24806 Methanobrevibacter.1616 - msi.107 msi:Msm_0082 heterodisulfide reductase, subunit A, HdrA; K22480 heterodisulfide reductase subunit A1 [EC:1.8.7.3] OC.20902 Archaea.22954 Euryarchaeota.24806 Methanobrevibacter.1616 Methanobrevibacter_sp_.774 meb.665 meb:Abm4_0695 hdrA1; CoB--CoM heterodisulfide reductase subunit A HdrA1; K22480 heterodisulfide reductase subunit A1 [EC:1.8.7.3] OC.20902 Archaea.22954 Euryarchaeota.24806 Methanobrevibacter.1616 - mmil.966 mmil:sm9_0984 hdrA1; CoB--CoM heterodisulfide reductase subunit A HdrA1; K22480 heterodisulfide reductase subunit A1 [EC:1.8.7.3] OC.20902 Archaea.22954 Euryarchaeota.24806 Methanobrevibacter.1616 Methanobrevibacter_sp_.2560 meye.978 meye:TL18_05450 disulfide reductase; K22480 heterodisulfide reductase subunit A1 [EC:1.8.7.3] OC.20902 Archaea.22954 Euryarchaeota.24806 Methanobrevibacter.1616 - mol.858 mol:YLM1_0874 CoB--CoM heterodisulfide reductase subunit A HdrA; K22480 heterodisulfide reductase subunit A1 [EC:1.8.7.3] OC.20902 Archaea.22954 Euryarchaeota.24806 Methanobacterium.1950 - mel.1212 mel:Metbo_1205 methyl-viologen-reducing hydrogenase delta subunit; K22480 heterodisulfide reductase subunit A1 [EC:1.8.7.3] OC.20902 Archaea.22954 Euryarchaeota.24806 Methanobacterium.3271 - mel.2353 mel:Metbo_2477 methyl-viologen-reducing hydrogenase delta subunit; K22480 heterodisulfide reductase subunit A1 [EC:1.8.7.3] OC.20902 Archaea.22954 Euryarchaeota.24806 Methanobacterium.3271 - mew.112 mew:MSWAN_0048 methyl-viologen-reducing hydrogenase delta subunit; K22480 heterodisulfide reductase subunit A1 [EC:1.8.7.3] OC.20902 Archaea.22954 Euryarchaeota.24806 Methanobacterium.1950 - mew.997 mew:MSWAN_1005 methyl-viologen-reducing hydrogenase delta subunit; K22480 heterodisulfide reductase subunit A1 [EC:1.8.7.3] OC.20902 Archaea.22954 Euryarchaeota.24806 Methanobacterium.1950 Methanobacterium_sp_.1180 meth.1132 meth:MBMB1_1157 methyl-viologen-reducing hydrogenase subunit delta; K22480 heterodisulfide reductase subunit A1 [EC:1.8.7.3] OC.20902 Archaea.22954 Euryarchaeota.24806 Methanobacterium.1950 Methanobacterium_formicicum.340 mfc.1334 mfc:BRM9_1364 hdrA1; CoB--CoM heterodisulfide reductase subunit A HdrA1; K22480 heterodisulfide reductase subunit A1 [EC:1.8.7.3] OC.20902 Archaea.22954 Euryarchaeota.24806 Methanobacterium.1950 Methanobacterium_formicicum.340 mfi.1995 mfi:DSM1535_2055 methyl-viologen-reducing hydrogenase subunit delta; K22480 heterodisulfide reductase subunit A1 [EC:1.8.7.3] OC.20902 Archaea.22954 Euryarchaeota.24806 Methanobacterium.1950 - mcub.1025 mcub:MCBB_1057 hdrA1; CoB-CoM heterodisulfide reductase 1 iron-sulfur subunit A; K22480 heterodisulfide reductase subunit A1 [EC:1.8.7.3] OC.20902 Archaea.22954 Euryarchaeota.24806 Methanobacterium.1950 - msub.490 msub:BK009_02465 disulfide reductase; K22480 heterodisulfide reductase subunit A1 [EC:1.8.7.3] OC.20902 Archaea.22954 Euryarchaeota.24806 Methanobacterium.1950 Methanobacterium_sp_.3852 metn.1915 metn:BK008_10120 disulfide reductase; K22480 heterodisulfide reductase subunit A1 [EC:1.8.7.3] OC.20902 Archaea.22954 Euryarchaeota.24806 Methanosarcina.13 - mac.2904 mac:MA_3128 hdrA; heterodisulfide reductase, subunit A; K22480 heterodisulfide reductase subunit A1 [EC:1.8.7.3] OC.20902 Archaea.22954 Euryarchaeota.24806 Methanosarcina.13 Methanosarcina_barkeri.1005 mba.1894 mba:Mbar_A1952 CoB--CoM heterodisulfide reductase subunit A; K22480 heterodisulfide reductase subunit A1 [EC:1.8.7.3] OC.20902 Archaea.22954 Euryarchaeota.24806 Methanosarcina.13 Methanosarcina_barkeri.1005 mby.707 mby:MSBRM_0713 CoB--CoM heterodisulfide reductase subunit A; K22480 heterodisulfide reductase subunit A1 [EC:1.8.7.3] OC.20902 Archaea.22954 Euryarchaeota.24806 Methanosarcina.13 Methanosarcina_barkeri.1005 mbw.2763 mbw:MSBRW_2784 CoB--CoM heterodisulfide reductase subunit A; K22480 heterodisulfide reductase subunit A1 [EC:1.8.7.3] OC.20902 Archaea.22954 Euryarchaeota.24806 Methanosarcina.13 Methanosarcina_barkeri.1005 mbar.1661 mbar:MSBR2_1663 CoB--CoM heterodisulfide reductase subunit A; K22480 heterodisulfide reductase subunit A1 [EC:1.8.7.3] OC.20902 Archaea.22954 Euryarchaeota.24806 Methanosarcina.13 Methanosarcina_barkeri.5742 mbak.1668 mbak:MSBR3_1666 CoB--CoM heterodisulfide reductase subunit A; K22480 heterodisulfide reductase subunit A1 [EC:1.8.7.3] OC.20902 Archaea.22954 Euryarchaeota.24806 Methanosarcina.13 Methanosarcina_mazei.2428 mma.418 mma:MM_0387 heterodisulfide reductase subunit HdrA; K22480 heterodisulfide reductase subunit A1 [EC:1.8.7.3] OC.20902 Archaea.22954 Euryarchaeota.24806 Methanosarcina.13 Methanosarcina_mazei.2428 mmaz.380 mmaz:MmTuc01_0395 CoB--CoM heterodisulfide reductase subunit A; K22480 heterodisulfide reductase subunit A1 [EC:1.8.7.3] OC.20902 Archaea.22954 Euryarchaeota.24806 Methanosarcina.13 Methanosarcina_mazei.2428 mmj.927 mmj:MSMAS_0915 CoB--CoM heterodisulfide reductase subunit A; K22480 heterodisulfide reductase subunit A1 [EC:1.8.7.3] OC.20902 Archaea.22954 Euryarchaeota.24806 Methanosarcina.13 Methanosarcina_mazei.2428 mmac.937 mmac:MSMAC_0918 CoB--CoM heterodisulfide reductase subunit A; K22480 heterodisulfide reductase subunit A1 [EC:1.8.7.3] OC.20902 Archaea.22954 Euryarchaeota.24806 Methanosarcina.13 - mvc.2756 mvc:MSVAZ_2790 CoB--CoM heterodisulfide reductase subunit A; K22480 heterodisulfide reductase subunit A1 [EC:1.8.7.3] OC.20902 Archaea.22954 Euryarchaeota.24806 Methanosarcina.13 Methanosarcina_sp_.5916 mek.2764 mek:MSKOL_2782 CoB--CoM heterodisulfide reductase subunit A; K22480 heterodisulfide reductase subunit A1 [EC:1.8.7.3] OC.20902 Archaea.22954 Euryarchaeota.24806 Methanosarcina.13 - mls.2082 mls:MSLAZ_2204 CoB--CoM heterodisulfide reductase subunit A; K22480 heterodisulfide reductase subunit A1 [EC:1.8.7.3] OC.20902 Archaea.22954 Euryarchaeota.24806 Methanosarcina.13 Methanosarcina_sp_.8913 metm.2230 metm:MSMTP_2284 CoB--CoM heterodisulfide reductase subunit A; K22480 heterodisulfide reductase subunit A1 [EC:1.8.7.3] OC.20902 Archaea.22954 Euryarchaeota.24806 Methanosarcina.13 Methanosarcina_sp_.2773 mef.933 mef:MSWH1_0940 CoB--CoM heterodisulfide reductase subunit A; K22480 heterodisulfide reductase subunit A1 [EC:1.8.7.3] OC.20902 Archaea.22954 Euryarchaeota.24806 Methanosarcina.13 Methanosarcina_sp_.2773 meq.995 meq:MSWHS_0992 CoB--CoM heterodisulfide reductase subunit A; K22480 heterodisulfide reductase subunit A1 [EC:1.8.7.3] OC.20902 Archaea.22954 Euryarchaeota.24806 Methanosarcina.13 Methanosarcina_siciliae.1929 msj.3162 msj:MSSAC_3372 CoB--CoM heterodisulfide reductase subunit A; K22480 heterodisulfide reductase subunit A1 [EC:1.8.7.3] OC.20902 Archaea.22954 Euryarchaeota.24806 Methanosarcina.13 Methanosarcina_siciliae.1929 msz.2879 msz:MSSIH_2902 CoB--CoM heterodisulfide reductase subunit A; K22480 heterodisulfide reductase subunit A1 [EC:1.8.7.3] OC.20902 Archaea.22954 Euryarchaeota.24806 Methanosarcina.13 Methanosarcina_siciliae.1929 msw.2906 msw:MSSIT_2946 CoB--CoM heterodisulfide reductase subunit A; K22480 heterodisulfide reductase subunit A1 [EC:1.8.7.3] OC.20902 Archaea.22954 Euryarchaeota.24806 Methanosarcina.13 Methanosarcina_thermophila.2178 mthe.775 mthe:MSTHC_0766 CoB--CoM heterodisulfide reductase subunit A; K22480 heterodisulfide reductase subunit A1 [EC:1.8.7.3] OC.20902 Archaea.22954 Euryarchaeota.24806 Methanosarcina.13 Methanosarcina_thermophila.2178 mthr.2500 mthr:MSTHT_2519 CoB--CoM heterodisulfide reductase subunit A; K22480 heterodisulfide reductase subunit A1 [EC:1.8.7.3] OC.20902 Archaea.22954 Euryarchaeota.24806 Methanosarcina.13 - mhor.1139 mhor:MSHOH_1117 CoB--CoM heterodisulfide reductase subunit A; K22480 heterodisulfide reductase subunit A1 [EC:1.8.7.3] OC.20902 Archaea.22954 Euryarchaeota.24806 Methanohalophilus.1031 - mmh.414 mmh:Mmah_0415 CoB--CoM heterodisulfide reductase subunit A; K22480 heterodisulfide reductase subunit A1 [EC:1.8.7.3] OC.20902 Archaea.22954 Euryarchaeota.24806 Methanohalophilus.1031 - mhaz.284 mhaz:BHR79_01405 heterodisulfide reductase; K22480 heterodisulfide reductase subunit A1 [EC:1.8.7.3] OC.20902 Archaea.22954 Euryarchaeota.24806 - - mzh.715 mzh:Mzhil_0728 fumarate reductase/succinate dehydrogenase flavoprotein domain protein; K22480 heterodisulfide reductase subunit A1 [EC:1.8.7.3] OC.20902 Archaea.22954 Euryarchaeota.24806 Methanocella.439 - mpd.1933 mpd:MCP_1989 hdrA_mvhD; CoB--CoM heterodisulfide reductase iron-sulfur subunit A/F420-non-reducing hydrogenase iron-sulfur subunit D; K22480 heterodisulfide reductase subunit A1 [EC:1.8.7.3] OC.20902 Archaea.22954 Euryarchaeota.24806 Methanocella.439 - mez.1405 mez:Mtc_1471 hdrA1; CoB--CoM heterodisulfide reductase subunit A; K22480 heterodisulfide reductase subunit A1 [EC:1.8.7.3] OC.20902 Archaea.22954 Euryarchaeota.24806 Methanocella.439 - rci.413 rci:LRC437 hdrA-1; putative heterodisulfide reductase, subunit A; K22480 heterodisulfide reductase subunit A1 [EC:1.8.7.3]