N-(2-carboxyethyl)spermidine + NADH + 2 H(+) => spermine monoaldehyde + NAD(+) + H2O
n-(2-carboxyethyl)spermidine + nadh + 2 h(+) => spermine monoaldehyde + nad(+) + h2o
N-(2-carboxyethyl)spermidine + NADH + 2 H(+) => spermine monoaldehyde + NAD(+) + H2O
n-(2-carboxyethyl)spermidine + nadh + 2 h(+) => spermine monoaldehyde + nad(+) + h2o