1.8.98.4 coenzyme B/coenzyme M regeneration III (coenzyme F420-dependent) - - 1.8.98.4 coenzyme M biosynthesis coenzyme M biosynthesis - 1.8.98.4 Metabolic pathways - 01100 1.8.98.4 Methane metabolism - 00680 1.8.98.4 Microbial metabolism in diverse environments - 01120