uridine Biochem.
(ˈjʊərɪdiːn)
[ad. G. uridin (Levene & Jacobs 1910, in Ber. d. Deut. Chem. Ges. XLIII. 3152), f. ur-acil uracil: see -idine.]
A pyrimidine nucleoside, C5H9O4·C4H3N2O2, in which the base is uracil and the sugar ribose, and which is a constituent of RNA and various intermediates in cell matabolism.
| 1911 Jrnl. Chem. Soc. C. i. 96 Nitrous acid effects the quantitative elimination of the amino-group from cytidine, and uridine is obtained. 1946 [see nucleoside]. 1970 R. W. McGilvery Biochemistry xx. 477 Uridine triphosphate can be used for nucleic acid synthesis or in the formation of metabolic intermediates such as uridine diphosphate glucose. 1976 Sci. Amer. Feb. 33/2 RNA..differs from DNA in that all the thymidine units are replaced by uridine. |