label: N-(ADP-D-ribosyl)diphthamide-[translation elongation factor 2] + nicotinamide + H(+) => diphthamide-[translation elongation factor 2] + NAD(+)
label_lc: n-(adp-d-ribosyl)diphthamide-[translation elongation factor 2] + nicotinamide + h(+) => diphthamide-[translation elongation factor 2] + nad(+)