# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.20857 Bacteria.1083900 Proteobacteria.565215 Deltaproteobacteria.62867 Desulfococcus.428 dol.1185 dol:Dole_1159 4Fe-4S ferredoxin iron-sulfur binding domain protein; K03388 heterodisulfide reductase subunit A2 [EC:1.8.7.3 1.8.98.4 1.8.98.5 1.8.98.6] OC.20857 Bacteria.1083900 Proteobacteria.565215 Deltaproteobacteria.62867 Desulfococcus.428 dml.2807 dml:Dmul_28860 hdrA2; HdrA2: CoB--CoM heterodisulfide reductase, iron-sulfur subunit alpha; K03388 heterodisulfide reductase subunit A2 [EC:1.8.7.3 1.8.98.4 1.8.98.5 1.8.98.6]