产品内容
本酶催化的反应为(1) Uridine + Phosphate = Uracil + alpha-D-Ribose 1-Phosphate;;(2) Cytidine + Phosphate = Cytosine + alpha-D-Ribose 1-Phosphate;;(3) 2'-Deoxyuridine + Phosphate = Uracil + 2-Deoxy-alpha-D-Ribose 1-Phosphate;;(4) Thymidine + Phosphate = Thymine + 2-Deoxy-alpha-D-Ribose 1-Phosphate,系统名称为Pyrimidine-Nucleoside:phosphate (2'-Deoxy)-alpha-D-Ribosyltransferase,与 EC 2.4.2.3(尿苷磷酸化酶)和 EC 2.4.2.4(胸苷磷酸化酶)不同,该酶可同时接受核糖核苷尿苷和胞苷以及 2'-脱氧核糖核苷 2'-脱氧尿苷和胸苷 [3,6]。该反应是可逆的,在合成方向上酶不区分 α-D-核糖 1-磷酸和 2-脱氧-α-D-核糖 1-磷酸。