ID   1.8.1.6
DE   cystine reductase.
AN   cystine reductase (NADH).
AN   NADH:L-cystine oxidoreductase.
AN   NADH-dependent cystine reductase.
CA   2 L-cysteine + NAD(+) = L-cystine + NADH + H(+).
CC   -!- Formerly EC 1.6.4.1.
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