Summary

Name PNP
Full Name Purine nucleoside phosphorylase
Synonyms PNP, Inosine phosphorylase, Inosine-guanosine phosphorylase | NP
Primary ID P00491
Links - -
Type protein
Relations 12
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 (PubMed:9305964, PubMed:23438750). Preferentially acts on 6-oxopurine nucleosides including inosine and guanosine (PubMed:9305964).

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Relations

Regulator Mechanism target score
+ down-regulates quantity img/direct_inhibition.png chemical modification alpha-D-ribose 1-phosphate(2-) 0.8
Publications: 2 Organism: Homo Sapiens
+ down-regulates quantity img/direct_inhibition.png chemical modification guanine 0.8
Publications: 2 Organism: Homo Sapiens
+ up-regulates quantity img/direct-activation.png chemical modification guanosine 0.8
Publications: 1 Organism: Homo Sapiens
+ down-regulates quantity img/direct_inhibition.png chemical modification 2-deoxy-D-ribofuranose 1-phosphate(2-) 0.8
Publications: 2 Organism: Homo Sapiens
+ up-regulates quantity img/direct-activation.png chemical modification 2'-deoxyguanosine 0.8
Publications: 1 Organism: Homo Sapiens
+ down-regulates quantity img/direct_inhibition.png chemical modification hypoxanthine 0.8
Publications: 2 Organism: Homo Sapiens
+ up-regulates quantity img/direct-activation.png chemical modification inosine 0.8
Publications: 1 Organism: Homo Sapiens
+ up-regulates quantity img/direct-activation.png chemical modification 2'-deoxyinosine 0.8
Publications: 1 Organism: Homo Sapiens