>tr|A0A223ZF84|A0A223ZF84_9EURY CoB--CoM heterodisulfide reductase iron-sulfur subunit A OS=Methanothermobacter sp. EMTCatA1 GN=rsxB_2 MAEEKKEETMEEPRIGVYVCHCGVNIGGVVDIEAVRDYAAKLPNVVVSKDYKYYCSDPGQ LEIQKDIKELGLNRVVVAACSPRLHEPTFRRCVEEAGLNQFLFEFANLREQDSWVHMDDP EGATEKAKDLVRMAVAKARLLEPLEASKVSVDDKALVIGGGVAGIQTALDLADMGFKTYM VEKRPSISGRMGQLDKTFPTLDCSMCILAPKMVDVGKHDNIELITYAEVKEVDGYIGNFK VKIEKKPRYIDEDLCTGCGSCVEVCPIEMPNYFDEGIGMTKAVYIPFPQAVPLCATIDKD YCIECMLCDEICERGAVKHDQEPEEIEIEVGTIIVATGYDAYDPTEKLEYGYGRHTNVIT GLELERMINASGPTDGKVIKPSDGEKPKRVAFIHCVGSRDEQIGKPYCSRVCCMYIMKNA QLIKDKMPDTEVTLYYMDIRAFGKGFEEFYKRSQEKYGIKFIRGRPAEILENPDLTLTVR SEDTLLGKVTEYDYDMVVLGVGLVPPEGSEKLRQTIGLSKSADGFLMEAHPKLRPVDTLT DGVYLAGVAQGPKDIPDAVAQASGAAARAAIPMVKGEVEIEPIVAVTDSDVCGGCEVCIE LCPFGAISIEEGHANVNVALCKGCGTCVAACPSGAMDQQHFRTEQIMAQIEAALNEQAK