# OC Root 2nd 3rd PC Gene/Definition OC.20483 Bacteria.347399 Tenericutes.19390 mbj.753 mbj:KQ51_00778 pyrK_1; Dihydroorotate dehydrogenase B (NAD(+)), electron transfer subunit; K00528 ferredoxin/flavodoxin---NADP+ reductase [EC:1.18.1.2 1.19.1.1]