label: diphthamide-[translation elongation factor 2] + AMP + diphosphate + H(+) => diphthine-[translation elongation factor 2] + NH4(+) + ATP
label_lc: diphthamide-[translation elongation factor 2] + amp + diphosphate + h(+) => diphthine-[translation elongation factor 2] + nh4(+) + atp