ID   1.5.1.17
DE   alanopine dehydrogenase.
CA   2,2'-iminodipropanoate + NAD(+) + H2O = L-alanine + pyruvate + NADH +
CA   H(+).
CC   -!- In the reverse reaction, L-alanine can be replaced by L-cysteine,
CC       L-serine, or L-threonine; glycine acts very slowly (cf. EC 1.5.1.22).
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