Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: EC:2.4.2.7 (adenine phosphoribosyltransferase)
 692 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Leishmania mexicana mexicana cultured promastigotes were fractionated by isopycnic centrifugation on linear sucrose gradients. Guanine, hypoxanthine and xanthine phosphoribosyltransferase activities were found to be associated with glycosomes, whereas adenine phosphoribosyltransferase was cytosolic. 3'- and 5'-nucleotidases and IMP dehydrogenase were shown to be particulate, the former two possibly being associated with the plasma membrane, IMP dehydrogenase with the endoplasmic reticulum. Nucleosidases and deaminases were found to be cytosolic. The results demonstrate that intracellular separation of enzymes could play a part in the regulation of the parasite's purine metabolism.
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PMID:Subcellular localisation of purine-metabolising enzymes in Leishmania mexicana mexicana. 404 22