1.5.99.6 | spermidine + acceptor + H2O = propane-1,3-diamine + 4-aminobutanal + reduced acceptor |
A flavohemoprotein (FAD). Ferricyanide, 2,6-dichloroindophenol and cytochrome c can act as acceptor. 4-aminobutanal condenses non-enzymically to 1-pyrroline |
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