label: tRNA-uridine aminocarboxypropyltransferase activity
label_lc: trna-uridine aminocarboxypropyltransferase activity
description: "Catalysis of the reaction: S-adenosyl-L-methionine + tRNA uridine = 5'-methylthioadenosine + tRNA 3-(3-amino-3-carboxypropyl)-uridine."