The chemical reactions and pathways resulting in the breakdown of a purine ribonucleotide, a compound consisting of ribonucleoside (a purine base linked to a ribose sugar) esterified with a phosphate group at either the 3' or 5'-hydroxyl group of the sugar.
Taxonomy/Path:
GO : purine ribonucleotide metabolic process / purine ribonucleotide catabolic process