# OC Root 2nd 3rd 4th PC Gene/Definition OC.369619 Archaea.28650 Euryarchaeota.32390 Methanosaeta.1032 mtp.1500 mtp:Mthe_1573 CoB--CoM heterodisulfide reductase; K03389 heterodisulfide reductase subunit B2 [EC:1.8.7.3 1.8.98.4 1.8.98.5 1.8.98.6] OC.369619 Archaea.28650 Euryarchaeota.32390 Methanosaeta.1032 mcj.2376 mcj:MCON_3283 hdrB; CoB-CoM heterodisulfide reductase, subunit B; K03389 heterodisulfide reductase subunit B2 [EC:1.8.7.3 1.8.98.4 1.8.98.5 1.8.98.6] OC.369619 Archaea.28650 Euryarchaeota.32390 Methanosaeta.1032 mhi.631 mhi:Mhar_0604 CoB-CoM heterodisulfide reductase, subunit B; K03389 heterodisulfide reductase subunit B2 [EC:1.8.7.3 1.8.98.4 1.8.98.5 1.8.98.6]