Defective APRT disrupts adenine salvage

Summary
Organism
Homo sapiens (human)
Reactome
R-HSA-9734195
PubChem
R-HSA-9734195
Description
  • Normally in humans, adenine formed in processes such as polyamine biosynthesis can be salvaged by conversion to AMP, catalyzed by APRT (adenine phosphoribosyltransferase). In the absence of APRT activity, however, accumulated adenine is instead converted to 2,8-dioxo-adenine. Accumulation of insoluble crystals of 2,8-dioxo-adenine in the kidneys causes the kidney damage that is a major symptom of APRT deficiency in humans (Van Acker et al. 1977; BollĂ©e et al. 2012).
Click on a node on the pathway to see its details. Glycoproteins are marked with a glycoprotein icon in their name.
Displaying 1 entry
UniProt ID Protein Name Gene Symbol Pathway Viewer
P07741 Adenine phosphoribosyltransferase
  • APRT
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Acknowledgements

Supported by JST NBDC Grant Number JPMJND2204

Partly supported by NIH Common Fund Grant #1U01GM125267-01


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Last updated: April 6, 2026