Reaction catalyzed by carboxynorspermidine dehydrogenase (1.4.1.B4)
+
NAD+
+
H2O
=
+
+
NADH
+
carboxynorspermidine
+
NAD+
+
H2O
=
L-aspartic 4-semialdehyde
+
1,3-diaminopropane
+
NADH
+
H+
