ID 1.14.13.39 DE Nitric-oxide synthase. AN Endothelium-derived relaxation factor-forming enzyme. AN Endothelium-derived relaxing factor synthase. AN NADPH-diaphorase. AN Nitric-oxide synthetase. AN NO synthase. CA L-arginine + n NADPH + m O(2) = citrulline + nitric oxide + n NADP(+). CC -!- The enzyme in brain, but not that induced in lung or liver by CC endotoxin, requires calcium. CC -!- The stoichiometry is not clear, but may involve a two-electron and a CC one-electron oxidation step. DR Q66GP9, NOS1_ARATH ; P29475, NOS1_HUMAN ; Q9Z0J4, NOS1_MOUSE ; DR O19132, NOS1_RABIT ; P29476, NOS1_RAT ; Q29498, NOS1_SHEEP ; DR P35228, NOS2A_HUMAN; Q27995, NOS2_BOVIN ; O62699, NOS2_CANFA ; DR Q28314, NOS2_CAPHI ; Q92037, NOS2_CARAU ; O54705, NOS2_CAVPO ; DR Q90703, NOS2_CHICK ; O46660, NOS2_MACMU ; P29477, NOS2_MOUSE ; DR Q92091, NOS2_ONCMY ; P79290, NOS2_PIG ; O19114, NOS2_RABIT ; DR Q06518, NOS2_RAT ; P29473, NOS3_BOVIN ; Q9TUX8, NOS3_CANFA ; DR P97270, NOS3_CAVPO ; P29474, NOS3_HUMAN ; P70313, NOS3_MOUSE ; DR Q28969, NOS3_PIG ; Q62600, NOS3_RAT ; P79209, NOS3_SHEEP ; DR O61608, NOS_ANOST ; Q27571, NOS_DROME ; O61309, NOS_LYMST ; DR Q6YPG5, NOS_ORYSJ ; Q26240, NOS_RHOPR ; Q9I9M2, NOS_SQUAC ; //