Biology:Polyamine oxidase (propane-1,3-diamine-forming)

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Polyamine oxidase (propane-1,3-diamine-forming)
Identifiers
EC number1.5.3.14
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum

Polyamine oxidase (propane-1,3-diamine-forming) (EC 1.5.3.14, MPAO, maize PAO) is an enzyme with systematic name spermidine:oxygen oxidoreductase (propane-1,3-diamine-forming).[1][2] This enzyme catalyses the following chemical reaction

spermidine + O2 + H2O [math]\displaystyle{ \rightleftharpoons }[/math] propane-1,3-diamine + 4-aminobutanal + H2O2

The products of the reaction cannot be converted directly to other polyamines.

References

  1. "Maize polyamine oxidase: primary structure from protein and cDNA sequencing". FEBS Letters 426 (1): 62–6. April 1998. doi:10.1016/S0014-5793(98)00311-1. PMID 9598979. 
  2. "Oxidation of acetylpolyamines by maize polyamine oxidase". Phytochemistry 43: 339–341. 1996. doi:10.1016/0031-9422(96)00316-0. 

External links