Cytosolic dihydropteridine reductase (QDPR) catalyzes the reaction of q-dihydrobiopterin with NADH + H+to form tetrahydrobiopterin and NAD+. The enzyme is a homodimer (Lockyer et al. 1987; Su et al. 1993).
Xuong, NH, Varughese, KI, Su, Y, Roche, DJ, Bray, TL, Whiteley, JM
Woo, SL, Ledley, FD, Milstien, S, Kaufman, S, Lockyer, J, Cook, RG
6,7-dihydropteridine reductase activity of QDPR dimer [cytosol]
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