Enzyme Details

EC Classification

1.4.3.22

Enzyme name
(recommended)

diamine oxidase

Alternative names

SSAO (incorrect)
histamine:oxygen oxidoreductase (deaminating)
amine oxidase (ambiguous)
amine oxidase (copper-containing) (ambiguous)
CAO (ambiguous)
Cu-containing amine oxidase (ambiguous)
copper amine oxidase (ambiguous)
diamine oxidase (ambiguous)
diamino oxhydrase (ambiguous)
histaminase
histamine deaminase (incorrect)
semicarbazide-sensitive amine oxidase (incorrect)

Classification

Oxidoreductases

Acting on the CH-NH(2) group of donors

With oxygen as acceptor

Catalyses reactions

H2O + O2 + Putrescine <-> NH3 + H2O2 + 4-Aminobutanal

H2O + O2 + N,N'-Bis(3-aminopropyl)-trans-2-butene-1,4-diamine <-> NH3 + H2O2 + N-(3-Aminopropyl)-N'-(3-propanal)-trans-2-butene-1,4-diamino

H2O + O2 + 3-Oxapentane 1,5-diamine <-> NH3 + H2O2 + 5-Amino-3-oxapentanal

H2O + O2 + 1,4-Bis(3-aminopropyl)-piperazine <-> NH3 + H2O2 + 1-(3-Aminopropyl)-4-(3-aminopropanal)-piperazine

H2O + O2 + Bis(3-aminopropyl)amine <-> NH3 + H2O2 + N-(3-Aminopropyl)aminopropanal

H2O + O2 + N-Methylputrescine <-> NH3 + H2O2 + 4-Methylaminobutanal

H2O + O2 + Putrescine <-> NH3 + H2O2 + 4-Aminobutanal