Source:http://linkedlifedata.com/resource/umls/id/C1151300
GO: Catalysis of the reaction: 2'-deoxyribonucleoside diphosphate + thioredoxin disulfide + H2O = ribonucleoside diphosphate + thioredoxin. Thioredoxin disulfide is the oxidized form of thioredoxin. [EC:1.17.4.1]