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Overview

Uniprot IDA0A4X1UWK0
Protein NamePurine nucleoside phosphorylase
Gene NamePNP
OrganismSus scrofa

Kla Sites from experimental identification

Position Flanking peptide
253 ILDYECQKKANHEEV
254 LDYECQKKANHEEVL
265 EEVLEAGKQAAQKLE

Function

Catalyzes the phosphorolytic breakdown of the N-glycosidic bond in the beta-(deoxy)ribonucleoside molecules, with the formation of the corresponding free purine bases and pentose-1-phosphate. Preferentially acts on 6-oxopurine nucleosides including inosine and guanosine

Protein Sequence

10 MENGFTFEDY 20 QNTAKWLLSH 30 TKHRPQVAVI 40 CGSGLGGLTD 50 RLTETQIFNY 60 SEIPNFPRST 70 VPGHAGRLVF 80 GILNGRACVM 90 MQGRFHLYEG 100 YPLWKVTFPV 110 RVFQLLGVDT 120 LVVTNAAGGL 130 NPRFEVGDIM 140 LIRDHINLPG 150 FCGENPLRGP 160 NDERFGVRFP 170 AMSDAYDRDM 180 RQKAHSTWKE 190 MGEQRELQEG 200 TYVMVAGPSF 210 ETVAECRLLQ 220 KLGADAVGMS 230 TVPEVIVARH 240 CGLRVFGFSL 250 ITNKVILDYE 260 CQKKANHEEV 270 LEAGKQAAQK 280 LEQFVSILIA GIPPPKAS

Gene Ontology

Classification GO ID Description
Molecular Function GO:0004731 purine-nucleoside phosphorylase activity
Biological Process GO:0006166 purine ribonucleoside salvage

Reference

[1] Fan S, Zhou R, Wen H, Ye H, Ma S et al.. Global profiling of protein lactylome in porcine granulosa cells.. J Ovarian Res 18(1):177. 2025 Aug 8. PMID: 40781717.