[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(+)