>tr|A0A0X3BQQ5|A0A0X3BQQ5_9EURY Dihydroorotate dehydrogenase B (NAD(+)), electron transfer subunit homolog OS=Methanoculleus bourgensis OX=83986 GN=MMAB1_2622 PE=4 SV=1 MKRLYKVELATKLADRVYEYWIHAPQVAHHARAGQFLILRLHETGERIPLTISAVRGDAV RVIFMAVGKTTQELATLRAGDSIKDVAGPLGKPSEIGKYGTCCVIGGGVGIASTPLIAKE LKEAGNHVIGIIGARSADLLILEDEMRAICDELYITTDDGSKGVHGFASDVLKGLLNERT INRVWIIGPAIMMKVTSGVTVPYGVKTYVSSIRLWSTGPGCADPAG