31. Orotidine 5'- monophosphate is decarboxylated by orotidine-5'- phosphate decarboxylase to form uridine monophosphate ( UMP ). 32. Moderate consumption of yeast, about 5 grams per day, should provide adequate uridine for improved health with minimal side effects. 33. APOBEC3G belongs to the family of cytidine deaminases that catalyze the deamination of cytidine to uridine in the single stranded DNA substrate. 34. The systematic name of this enzyme class is "'uridine : phosphate alpha-D-ribosyltransferase " '. 35. Although guanosine, cytosine and uridine can also form minor groove triple interactions, minor groove interactions by adenine are very common. 36. :23S rRNA uridine 1911 / uridine 1915 / uridine 1917 \ rightleftharpoons 23S rRNA pseudouridine 1911 / pseudouridine 1915 / pseudouridine 1917 37. :23S rRNA uridine 1911 / uridine 1915 / uridine 1917 \ rightleftharpoons 23S rRNA pseudouridine 1911 / pseudouridine 1915 / pseudouridine 1917 38. :23S rRNA uridine 1911 / uridine 1915 / uridine 1917 \ rightleftharpoons 23S rRNA pseudouridine 1911 / pseudouridine 1915 / pseudouridine 1917 39. :23S rRNA uridine 955 / uridine 2504 / uridine 2580 \ rightleftharpoons 23S rRNA pseudouridine 955 / pseudouridine 2504 / pseudouridine 2580 40. :23S rRNA uridine 955 / uridine 2504 / uridine 2580 \ rightleftharpoons 23S rRNA pseudouridine 955 / pseudouridine 2504 / pseudouridine 2580