label: 2-[(3S)-amino-3-carboxypropyl]-L-histidyl-[translation elongation factor 2] + S-methyl-5'-thioadenosine + H(+) => L-histidyl-[translation elongation factor 2] + S-adenosyl-L-methionine
label_lc: 2-[(3s)-amino-3-carboxypropyl]-l-histidyl-[translation elongation factor 2] + s-methyl-5'-thioadenosine + h(+) => l-histidyl-[translation elongation factor 2] + s-adenosyl-l-methionine