ADP-D-ribose + nicotinamide + H(+) => alpha-NAD(+) + H2O
adp-d-ribose + nicotinamide + h(+) => alpha-nad(+) + h2o
ADP-D-ribose + nicotinamide + H(+) => alpha-NAD(+) + H2O
adp-d-ribose + nicotinamide + h(+) => alpha-nad(+) + h2o