dGMP + NAD(+) => N(2)-(ADP-D-ribosyl)-dGMP + nicotinamide + H(+)
dgmp + nad(+) => n(2)-(adp-d-ribosyl)-dgmp + nicotinamide + h(+)
dGMP + NAD(+) => N(2)-(ADP-D-ribosyl)-dGMP + nicotinamide + H(+)
dgmp + nad(+) => n(2)-(adp-d-ribosyl)-dgmp + nicotinamide + h(+)