preferred_name: methane + coenzyme M-coenzyme B heterodisulfide => coenzyme B + methyl-coenzyme M
preferred_name_lc: methane + coenzyme m-coenzyme b heterodisulfide => coenzyme b + methyl-coenzyme m
label: methane + coenzyme M-coenzyme B heterodisulfide => coenzyme B + methyl-coenzyme M
label_lc: methane + coenzyme m-coenzyme b heterodisulfide => coenzyme b + methyl-coenzyme m