label: uridine(34) in tRNA + acetyl-CoA + S-adenosyl-L-methionine + H2O = 5-(carboxymethyl)uridine(34) in tRNA + 5'-deoxyadenosine + L-methionine + CoA + 2 H(+)
label_lc: uridine(34) in trna + acetyl-coa + s-adenosyl-l-methionine + h2o = 5-(carboxymethyl)uridine(34) in trna + 5'-deoxyadenosine + l-methionine + coa + 2 h(+)