label: L-aspartate 4-semialdehyde + propane-1,3-diamine + NADPH + H(+) => carboxynorspermidine + NADP(+) + H2O
label_lc: l-aspartate 4-semialdehyde + propane-1,3-diamine + nadph + h(+) => carboxynorspermidine + nadp(+) + h2o