purine nucleotides degradation II (aerobic)
Stoychev G, Kierdaszuk B, Shugar D. Xanthosine and xanthine. Substrate properties with purine nucleoside phosphorylases, and relevance to other enzyme systems. Eur J Biochem. 2002 Aug;269(16):4048–57. doi: 10.1046/j.1432-1033.2002.03097.x. PMID: 12180982.; Bzowska A, Kulikowska E, Shugar D. Purine nucleoside phosphorylases: properties, functions, and clinical aspects. Pharmacol Ther. 2000 Dec;88(3):349–425. doi: 10.1016/s0163-7258(00)00097-8. PMID: 11337031.; Witte DP, Wiginton DA, Hutton JJ, Aronow BJ. Coordinate developmental regulation of purine catabolic enzyme expression in gastrointestinal and postimplantation reproductive tracts. J Cell Biol. 1991 Oct;115(1):179–90. PMID: 1918135; PMCID: PMC2289931.; Fox IH. Metabolic basis for disorders of purine nucleotide degradation. Metabolism. 1981 Jun;30(6):616–34. doi: 10.1016/0026-0495(81)90142-6. PMID: 6262603.
Metabolites
Enzyme
| EC Number | name | full name | note |
|---|---|---|---|
| 1.1.1.205 | IMP dehydrogenase | IMP:NAD+ oxidoreductase | |
| 1.17.1.4 | xanthine dehydrogenase | xanthine:NAD+ oxidoreductase | |
| 1.17.3.2 | xanthine oxidase | xanthine:oxygen oxidoreductase | |
| 2.4.2.1 | purine-nucleoside phosphorylase | purine-nucleoside:phosphate ribosyltransferase | |
| 2.4.2.2 | pyrimidine-nucleoside phosphorylase | pyrimidine-nucleoside:phosphate (2'-deoxy)-alpha-D-ribosyltransferase | |
| 2.7.1.77 | nucleoside phosphotransferase | nucleotide:nucleoside 5'-phosphotransferase | |
| 3.1.3.1 | alkaline phosphatase | phosphate-monoester phosphohydrolase (alkaline optimum) | |
| 3.1.3.35 | thymidylate 5'-phosphatase | thymidylate 5'-phosphohydrolase | |
| 3.1.3.5 | 5'-nucleotidase | 5'-ribonucleotide phosphohydrolase | |
| 3.1.3.89 | 5'-deoxynucleotidase | 2'-deoxyribonucleoside 5'-monophosphate phosphohydrolase | |
| 3.1.3.91 | 7-methylguanosine nucleotidase | N7-methyl-GMP phosphohydrolase | |
| 3.1.3.99 | IMP-specific 5'-nucleotidase | inosine 5'-phosphate phosphohydrolase | |
| 3.5.4.3 | guanine deaminase | guanine aminohydrolase | |
| 3.5.4.4 | adenosine deaminase | adenosine aminohydrolase |
Proteins
| Protein ID | name | full name |
|---|---|---|
| P00634 | phoA | Alkaline phosphatase |
| P0ABP8 | deoD | Purine nucleoside phosphorylase DeoD-type |
| P0ADG7 | guaB | Inosine-5'-monophosphate dehydrogenase |
| P0C037 | ppnP | Pyrimidine/purine nucleoside phosphorylase |
| P22333 | add | Adenosine deaminase |
| P45563 | xapA | Purine nucleoside phosphorylase 2 |
| P64636 | yrfG | GMP/IMP nucleotidase YrfG |
| P76641 | guaD | Guanine deaminase |
| Q46799 | xdhA | Putative xanthine dehydrogenase molybdenum-binding subunit XdhA |
| Q46800 | xdhB | Putative xanthine dehydrogenase FAD-binding subunit XdhB |