biotinate sulfoxide + NADH + H(+) <=> biotin + NAD(+) + H2O
biotinate sulfoxide + nadh + h(+) <=> biotin + nad(+) + h2o
biotinate sulfoxide + NADH + H(+) <=> biotin + NAD(+) + H2O
biotinate sulfoxide + nadh + h(+) <=> biotin + nad(+) + h2o