label: N(omega)-alpha-(ADP-D-ribosyl)-L-arginyl-[dinitrogen reductase] + nicotinamide + H(+) => L-arginyl-[dinitrogen reductase] + NAD(+)
label_lc: n(omega)-alpha-(adp-d-ribosyl)-l-arginyl-[dinitrogen reductase] + nicotinamide + h(+) => l-arginyl-[dinitrogen reductase] + nad(+)