[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(+) => [protein]-dithiol + nad(+)