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Putrescine oxidase

Enzyme From Wikipedia, the free encyclopedia

In enzymology, putrescine oxidase (EC 1.4.3.10) is an enzyme that catalyzes the chemical reaction

2D representation of the chemical structure of Putrescine .
Putrescine
+ H2O
 
 
O2
H2O2
Reversible left-right reaction arrow with minor forward substrate(s) from top left, minor forward product(s) to top right, minor reverse substrate(s) from bottom right and minor reverse product(s) to bottom left
O2
H2O2
 
2D representation of the chemical structure of 4-Aminobutanal .
4-Aminobutanal
+ NH3
 
EC no.1.4.3.10
CAS no.9076-87-3
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putrescine oxidase
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EC no.1.4.3.10
CAS no.9076-87-3
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The 3 substrates of this enzyme are putrescine, water, and oxygen. Its products are 4-aminobutanal, hydrogen peroxide, and ammonia.[1][2][3]

This enzyme belongs to the family of oxidoreductases, specifically those acting on the CH-NH2 group of donors with oxygen as acceptor. The systematic name of this enzyme class is putrescine:oxygen oxidoreductase (deaminating). This enzyme participates in urea cycle and metabolism of amino groups. It employs one cofactor, FAD.

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