ID 1.5.3.21 DE 4-methylaminobutanoate oxidase (methylamine-forming). CA 4-(methylamino)butanoate + H2O + O2 = H2O2 + methylamine + CA succinate semialdehyde. CC -!- The enzyme participates in the nicotine degradation pathway of the CC soil bacterium Arthrobacter nicotinovorans. CC -!- Has a very weak EC 1.4.3.4 activity with 4-aminobutanoate. DR Q8GAJ0, MABO2_PAENI; //