ID 1.1.1.174 DE cyclohexane-1,2-diol dehydrogenase. CA trans-cyclohexane-1,2-diol + NAD(+) = 2-hydroxycyclohexan-1-one + NADH + CA H(+). CC -!- Also oxidizes, more slowly, the cis isomer and CC 2-hydroxycyclohexanone. //