ID 1.4.1.25 DE L-arginine dehydrogenase. AN anabolic L-arginine dehydrogenase. CA (1) H2O + L-arginine + NAD(+) = 5-guanidino-2-oxopentanoate + H(+) + NADH CA + NH4(+). CA (2) H2O + L-arginine + NADP(+) = 5-guanidino-2-oxopentanoate + H(+) + CA NADPH + NH4(+). CC -!- The enzyme, which has been isolated from the bacterium Pseudomonas CC aeruginosa PAO1, forms with EC 1.4.99.6 a two-enzyme complex involved CC in the racemization of D- and L-arginine. DR Q9HXE4, DAUB_PSEAE ; //