tRNA-4-demethylwyosine synthase activity
Catalysis of the reaction: pyruvate + S-adenosyl-L-methionine + N1-methylguanine37 in tRNAPhe = L-methionine + 5'-deoxyadenosine + carbon dioxide + H2O + 4-demethylwyosine37 in tRNAPhe.
GO:0016833
oxo-acid-lyase activity
is_a
GO:0140101
catalytic activity, acting on a tRNA
is_a
SPCC1020.08