[protein]-dithiol + NAD(+) <=> [protein]-disulfide + NADH + H(+)
[protein]-dithiol + nad(+) <=> [protein]-disulfide + nadh + h(+)
[protein]-dithiol + NAD(+) <=> [protein]-disulfide + NADH + H(+)
[protein]-dithiol + nad(+) <=> [protein]-disulfide + nadh + h(+)