EC 2.4.2.1 (purine-nucleoside phosphorylase) inhibitor An EC 2.4.2.* (pentosyltransferase) inhibitor that interferes with the action of purine nucleoside phosphorylase (EC 2.4.2.1). CHEBI:63090 EC 2.4.2.1 (purine-nucleoside phosphorylase) inhibitors EC 2.4.2.1 inhibitor EC 2.4.2.1 inhibitors PNPase inhibitor PNPase inhibitors PUNPI inhibitor PUNPI inhibitors PUNPII inhibitor PUNPII inhibitors inosine phosphorylase inhibitor inosine phosphorylase inhibitors inosine-guanosine phosphorylase inhibitor inosine-guanosine phosphorylase inhibitors nucleotide phosphatase inhibitor nucleotide phosphatase inhibitors purine deoxynucleoside phosphorylase inhibitor purine deoxynucleoside phosphorylase inhibitors purine deoxyribonucleoside phosphorylase inhibitor purine deoxyribonucleoside phosphorylase inhibitors purine nucleoside phosphorylase inhibitor purine nucleoside phosphorylase inhibitors purine ribonucleoside phosphorylase inhibitor purine ribonucleoside phosphorylase inhibitors purine-nucleoside phosphorylase (EC 2.4.2.1) inhibitor purine-nucleoside phosphorylase (EC 2.4.2.1) inhibitors purine-nucleoside phosphorylase inhibitor purine-nucleoside phosphorylase inhibitors purine-nucleoside:phosphate ribosyltransferase inhibitor purine-nucleoside:phosphate ribosyltransferase inhibitors EC 2.4.2.* (pentosyltransferase) inhibitor