ID   1.5.99.6
DE   Spermidine dehydrogenase.
CA   Spermidine + acceptor + H(2)O = 1,3-diaminopropane + 4-aminobutanal +
CA   reduced acceptor.
CF   FAD; Heme.
CC   -!- Ferricyanide, 2,6-dichloroindophenol and cytochrome c can act as
CC       acceptor.
CC   -!- 4-aminobutanal condenses non-enzymically to 1-pyrroline.
//