has primary input purine nucleotide purine nucleotide metabolic process purine nucleotide catabolic process purine nucleotide catabolism purine nucleotide degradation biological_process GO:0006195 The chemical reactions and pathways resulting in the breakdown of a purine nucleotide, a compound consisting of nucleoside (a purine base linked to a deoxyribose or ribose sugar) esterified with a phosphate group at either the 3' or 5'-hydroxyl group of the sugar. Reactome:R-HSA-74259 purine nucleotide breakdown catabolic process nucleotide catabolic process purine-containing compound catabolic process