Enzymatic reactions [BR:br08201]
1. Oxidoreductase reactions
1.13 Acting on single donors with incorporation of molecular oxygen (oxygenases)
1.13.12 With incorporation of one atom of oxygen (internal monooxygenases or internal mixed-function oxidases)
1.13.12.1
R00559 L-Arginine + Oxygen <=> 4-Guanidinobutanamide + CO2 + H2O