label: tRNA 4-demethylwyosine alpha-amino-alpha-carboxypropyltransferase activity
label_lc: trna 4-demethylwyosine alpha-amino-alpha-carboxypropyltransferase activity
description: "Catalysis of the reaction: S-adenosyl-L-methionine + 4-demethylwyosine37 in tRNAPhe = 5'-S-methyl-5'-thioadenosine + H+ + 7-[(3S)-3-amino-3-carboxypropyl]-4-demethylwyosine37 in tRNAPhe."