# OC Root 2nd PC Gene/Definition OC.20907 Archaea.38730 loki.32 loki:Lokiarch_00290 hdrA_1; CoB--CoM heterodisulfide reductase iron-sulfur subunit A; K03388 heterodisulfide reductase subunit A2 [EC:1.8.7.3 1.8.98.4 1.8.98.5 1.8.98.6] OC.20907 Archaea.38730 loki.32 loki:Lokiarch_09900 hdrA_5; CoB--CoM heterodisulfide reductase iron-sulfur subunit A; K03388 heterodisulfide reductase subunit A2 [EC:1.8.7.3 1.8.98.4 1.8.98.5 1.8.98.6] OC.20907 Archaea.38730 loki.3121 loki:Lokiarch_40200 hdrA_13; CoB--CoM heterodisulfide reductase iron-sulfur subunit A; K03388 heterodisulfide reductase subunit A2 [EC:1.8.7.3 1.8.98.4 1.8.98.5 1.8.98.6]