ID 1.1.1.137 DE ribitol-5-phosphate 2-dehydrogenase. AN ribitol 5-phosphate dehydrogenase. CA (1) D-ribitol 5-phosphate + NADP(+) = D-ribulose 5-phosphate + H(+) + CA NADPH. CA (2) D-ribitol 5-phosphate + NAD(+) = D-ribulose 5-phosphate + H(+) + CA NADH. CC -!- The enzyme, characterized from the bacterium Lactobacillus plantarum, CC can use both NAD(+) and NADP(+) as electron acceptor (cf. CC EC 1.1.1.405). //