# OC Root	2nd	3rd	4th	5th	PC	Gene/Definition
OC.20900	Archaea.1513	Euryarchaeota.38363	-	-	tar.338	tar:TALC_00332   Heterodisulfide reductase, subunit A-related polyferredoxin; K03388 heterodisulfide reductase subunit A2 [EC:1.8.7.3 1.8.98.4 1.8.98.5 1.8.98.6]
OC.20900	Archaea.1513	Euryarchaeota.38363	-	-	max.306	max:MMALV_03030   CoB-CoM heterodisulfide reductase, 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.20900	Archaea.1513	Euryarchaeota.38363	-	-	mer.481	mer:MMINT_04810   Heterodisulfide reductase, subunit A-related polyferredoxin; K03388 heterodisulfide reductase subunit A2 [EC:1.8.7.3 1.8.98.4 1.8.98.5 1.8.98.6]
OC.20900	Archaea.1513	Euryarchaeota.38363	-	-	mear.981	mear:Mpt1_c10580   hdrA; 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.20900	Archaea.1513	Euryarchaeota.38363	-	-	marc.1426	marc:AR505_1479   CoB--CoM heterodisulfide reductase subunit A HdrA; K03388 heterodisulfide reductase subunit A2 [EC:1.8.7.3 1.8.98.4 1.8.98.5 1.8.98.6]
OC.20900	Archaea.1516	Euryarchaeota.54877	Methanosarcina.5016	Methanosarcina_mazei.3696	mmac.2498	mmac:MSMAC_2579   CoB--CoM heterodisulfide reductase 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.20900	Archaea.1516	Euryarchaeota.54877	Methanosarcina.5016	-	mhor.1776	mhor:MSHOH_1797   CoB--CoM heterodisulfide reductase 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.20900	Archaea.1513	Bathyarchaeota.1587	-	-	barb.1434	barb:AOA66_1510   hdrA_2; 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.20900	Archaea.1514	-	-	-	loki.1287	loki:Lokiarch_01240   hdrA_2; 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]