ID   1.2.1.15
DE   malonate-semialdehyde dehydrogenase.
CA   (1) 3-oxopropanoate + NADP(+) + H2O = malonate + NADPH + 2 H(+).
CA   (2) 3-oxopropanoate + NAD(+) + H2O = malonate + NADH + 2 H(+).
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