Cytosolic uridine phosphorylase (isoforms UPP1 and UPP2) catalyzes the reversible reactions of uracil with ribose 1-phosphate or deoxyribose 1-phosphate to yield uridine or deoxyuridine and orthophosphate (Watanabe and Uchida 1995; Johansson, 2003). The active form of UPP1 is a dimer (Rooslid et al. 2009).
Roosild, TP, Castronovo, S, Fabbiani, M, Pizzorno, G
Watanabe, SI, Uchida, T
Johansson, M
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