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