1.8.7.3	2 reduced ferredoxin [iron-sulfur] cluster + CoB + CoM + 2 H+	-	Methanothermococcus thermolithotrophicus	2 H2 + 2 oxidized ferredoxin [iron-sulfur] cluster + CoM-S-S-CoB	-	?	461455	
1.8.7.3	2 reduced ferredoxin [iron-sulfur] cluster + CoB + CoM + 2 H+	-	Methanothermococcus thermolithotrophicus DSM 2095	2 H2 + 2 oxidized ferredoxin [iron-sulfur] cluster + CoM-S-S-CoB	-	?	461455	
1.8.7.3	2 reduced ferredoxin [iron-sulfur] cluster + CoM-S-S-CoB + 2 H+	-	Methanothermobacter wolfeii	2 oxidized ferredoxin [iron-sulfur] cluster + CoB + CoM	-	?	461456	
1.8.7.3	2 reduced ferredoxin [iron-sulfur] cluster + CoM-S-S-CoB + 2 H+	-	Methanomassiliicoccus luminyensis	2 oxidized ferredoxin [iron-sulfur] cluster + CoB + CoM	-	?	461456	
1.8.7.3	2 reduced ferredoxin [iron-sulfur] cluster + CoM-S-S-CoB + 2 H+	-	Methanothermococcus thermolithotrophicus	2 oxidized ferredoxin [iron-sulfur] cluster + CoB + CoM	-	?	461456	
1.8.7.3	2 reduced ferredoxin [iron-sulfur] cluster + CoM-S-S-CoB + 2 H+	-	Methanocaldococcus jannaschii	2 oxidized ferredoxin [iron-sulfur] cluster + CoB + CoM	-	?	461456	
1.8.7.3	2 reduced ferredoxin [iron-sulfur] cluster + CoM-S-S-CoB + 2 H+	-	Methanospirillum hungatei	2 oxidized ferredoxin [iron-sulfur] cluster + CoB + CoM	-	?	461456	
1.8.7.3	2 reduced ferredoxin [iron-sulfur] cluster + CoM-S-S-CoB + 2 H+	-	Methanocaldococcus jannaschii NBRC 100440	2 oxidized ferredoxin [iron-sulfur] cluster + CoB + CoM	-	?	461456	
1.8.7.3	2 reduced ferredoxin [iron-sulfur] cluster + CoM-S-S-CoB + 2 H+	-	Methanocaldococcus jannaschii DSM 2661	2 oxidized ferredoxin [iron-sulfur] cluster + CoB + CoM	-	?	461456	
1.8.7.3	2 reduced ferredoxin [iron-sulfur] cluster + CoM-S-S-CoB + 2 H+	-	Methanocaldococcus jannaschii ATCC 43067	2 oxidized ferredoxin [iron-sulfur] cluster + CoB + CoM	-	?	461456