4-demethyl-7-[(3S)-3-amino-3-carboxypropyl]wyosine(37) in tRNA(Phe) + S-adenosyl-L-methionine = 7-[(3S)-3-amino-3-carboxypropyl]wyosine(37) in tRNA(Phe) + S-adenosyl-L-homocysteine + H(+)
4-demethyl-7-[(3s)-3-amino-3-carboxypropyl]wyosine(37) in trna(phe) + s-adenosyl-l-methionine = 7-[(3s)-3-amino-3-carboxypropyl]wyosine(37) in trna(phe) + s-adenosyl-l-homocysteine + h(+)