MARS2 Polyclonal Antibody for Western Blot, IHC (P), ELISA Methionine-tRNA ligase (EC 6.1.1.10) catalyzes the chemical reaction: ATP + L-methionine + tRNAMet AMP + diphosphate + L-methionyl-tRNAMetThe 3 substrates of this enzyme are ATP, L-methionine, an