ribonucleotide reductase

(redirected from Ribonucleotide reductases)

ri·bo·nu·cle·o·tide re·duc·tase

a protein complex that converts ribonucleotide diphosphates (NDPs) such as ADP and CDP to 2'-deoxyribonucleotide diphosphates (dNDPs) such as dADP and dCDP. This complex requires thioredoxin, thioredoxin reductase, and NADPH. It is crucial for DNA synthesis.

ribonucleotide reductase

(1) Ribonucleoside-diphosphate reductase, EC 1.17.4.1. 
(2) Ribonucleoside-triphosphate reductase, EC 1.17.4.2.
References in periodicals archive ?
That enzyme, ribonucleotide reductase, converts the building blocks of RNA into the building blocks of DNA.
The modern forms of the ribonucleotide reductase probably evolved from some- thing similar to the P.