[thioredoxin]-dithiol + NADP(+) => [thioredoxin]-disulfide + NADPH + H(+)
[thioredoxin]-dithiol + nadp(+) => [thioredoxin]-disulfide + nadph + h(+)
[thioredoxin]-dithiol + NADP(+) => [thioredoxin]-disulfide + NADPH + H(+)
[thioredoxin]-dithiol + nadp(+) => [thioredoxin]-disulfide + nadph + h(+)