Pyrimidine overproduction results in all except
High-Yield Explanation
Defective enzyme of pyrimidine metabolism Signs and symptoms Dihydropyrimidine dehydrogenase Can develop toxicity to 5-fluorouracil, also a substrate for this dehydrogenase Orotate phosphoribosyl transferase and orotidylic acid decarboxylase Orotic acid aciduria type 1, megaloblastic anemia Orotidylic acid decarboxylase Orotic acid aciduria type 2 Pyrimidine overproduction is not the causal factor in Reye's syndrome. Reye's syndrome results in secondary pyrimidine overproduction. Reference: Harpers illustrated biochemistry 30th edition