PURINE METABOLISM TABLE CHEAT SHEET, Cheat Sheet of Biochemistry

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Table U - 1. Purine and Pyrimidine Nomenclature Type of Suffix of the: Ring Base Nucleoside Nucleotide Purine -ine -asine variable Pyrimidine variable -idine -idylic acid Table VU -2. Degradation of Purine and Pyrimidine Rings . NH, Production Type of Ring - Other Ring Cleavage |Froma Ring] Froma Products Nitrogen |Substituent Purine No No Yes Urate f-alanine, Pyrimidine Yes Yes Yes B-amino- isobutyrate Table U - 3. Sources of Ring Atoms in Purine and Pyrimidine Synthesis Source Purine Pyrimidine Asp N-1 N-1, C-4, C-5, C-6 Amino acids Gin N-3, N-9 N-3 Gly N-7, C-4, C-5 THF “Formate” C-2,C-8 co, C-6