D-ribitol 5-phosphate + NADP(+) <=> D-ribulose 5-phosphate + NADPH + H(+)
d-ribitol 5-phosphate + nadp(+) <=> d-ribulose 5-phosphate + nadph + h(+)
D-ribitol 5-phosphate + NADP(+) <=> D-ribulose 5-phosphate + NADPH + H(+)
d-ribitol 5-phosphate + nadp(+) <=> d-ribulose 5-phosphate + nadph + h(+)