label: N(1)-methylguanosine(37) in tRNA(Phe) + pyruvate + S-adenosyl-L-methionine = 4-demethylwyosine(37) in tRNA(Phe) + 5'-deoxyadenosine + L-methionine + CO2 + H2O
label_lc: n(1)-methylguanosine(37) in trna(phe) + pyruvate + s-adenosyl-l-methionine = 4-demethylwyosine(37) in trna(phe) + 5'-deoxyadenosine + l-methionine + co2 + h2o