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Literature summary for 2.4.2.22 extracted from
- Structure-activity relationships for the binding of ligands to xanthine or guanine phosphoribosyltransferase from Toxoplasma gondii (1995), Biochem. Pharmacol., 50, 1685-1693.
Inhibitors
| Inhibitors | Comment | Organism | Structure |
|---|---|---|---|
| 2,6-diaminopurine | - |
Toxoplasma gondii |  |
| 2,6-dichloropurine | - |
Toxoplasma gondii | |
| 2,6-dioxo-1,3,7-trimethylpurine | - |
Toxoplasma gondii | |
| 2,6-dioxo-1,3,9-trimethylpurine | - |
Toxoplasma gondii | |
| 2,6-dioxo-3-isobutyl-1-methylpurine | - |
Toxoplasma gondii | |
| 2,6-dioxo-7-(beta-hydroxypropyl)-1,3-dimethylpurine | - |
Toxoplasma gondii | |
| 2,6-dithiopurine | - |
Toxoplasma gondii | |
| 2-amino-1-methylhypoxanthine | - |
Toxoplasma gondii | |
| 2-amino-1-methylpurine | - |
Toxoplasma gondii | |
| 2-amino-6-chloropurine | - |
Toxoplasma gondii | |
| 2-amino-7-deazahypoxanthine | - |
Toxoplasma gondii | |
| 2-amino-7-methylhypoxanthine | - |
Toxoplasma gondii | |
| 2-amino-9-deazahypoxanthine | - |
Toxoplasma gondii | |
| 2-amino-9-methylhypoxanthine | - |
Toxoplasma gondii | |
| 2-aminohypoxanthine | - |
Toxoplasma gondii | |
| 2-Aminopurine | - |
Toxoplasma gondii | |
| 2-aminopurine-6-thione | - |
Toxoplasma gondii | |
| 2-aza-3-deazahypoxanthine | - |
Toxoplasma gondii | |
| 2-aza-6-amino-3-deazapurine | - |
Toxoplasma gondii | |
| 2-aza-6-thio-3-deazapurine | - |
Toxoplasma gondii | |
| 2-oxo 7-methylhypoxanthine | - |
Toxoplasma gondii | |
| 2-oxo-1-methylhypoxanthine | - |
Toxoplasma gondii | |
| 2-oxo-3-methylhypoxanthine | - |
Toxoplasma gondii | |
| 2-oxo-6-thiopurine | - |
Toxoplasma gondii | |
| 2-oxohypoxanthine | - |
Toxoplasma gondii | |
| 2-oxohypoxanthine-N3-oxide | - |
Toxoplasma gondii | |
| 2-oxopurine | - |
Toxoplasma gondii | |
| 2-thiohypoxanthine | - |
Toxoplasma gondii | |
| 4-oxopyrimidine | - |
Toxoplasma gondii | |
| 5(4)-amino-4-imidazolecarboxamide | - |
Toxoplasma gondii | |
| 5-fluorocytosine | - |
Toxoplasma gondii | |
| 6-amino-1-methylpurine | - |
Toxoplasma gondii | |
| 6-amino-2,8-diaza-3-deazapurine | - |
Toxoplasma gondii | |
| 6-amino-2-chloropurine | - |
Toxoplasma gondii | |
| 6-amino-2-methylpurine | - |
Toxoplasma gondii | |
| 6-amino-2-oxopurine | - |
Toxoplasma gondii | |
| 6-amino-7-deazapurine | - |
Toxoplasma gondii | |
| 6-amino-8-bromopurine | - |
Toxoplasma gondii | |
| 6-benzylaminopurine | - |
Toxoplasma gondii | |
| 6-Chloropurine | - |
Toxoplasma gondii | |
| 6-Hydroxymethylpterin | - |
Toxoplasma gondii | |
| 6-methoxypurine | - |
Toxoplasma gondii | |
| 6-Methylaminopurine | - |
Toxoplasma gondii | |
| 6-Thiopurine | - |
Toxoplasma gondii | |
| 8-aza-1,3-dideazapurine | - |
Toxoplasma gondii | |
| 8-aza-1-nitro-1,3-dideazapurine | - |
Toxoplasma gondii | |
| 8-aza-2,6-diaminopurine | - |
Toxoplasma gondii | |
| 8-aza-2-aminohypoxanthine | - |
Toxoplasma gondii | |
| 8-aza-6-aminopurine | - |
Toxoplasma gondii | |
| 8-aza-7-deaza-6-aminopurine | - |
Toxoplasma gondii | |
| 8-aza-7-deaza-6-thiopurine | - |
Toxoplasma gondii | |
| 8-aza-7-deazahypoxanthine | - |
Toxoplasma gondii | |
| 8-Azahypoxanthine | - |
Toxoplasma gondii | |
| 8-bromo-2-aminohypoxanthine | - |
Toxoplasma gondii | |
| 8-oxohypoxanthine | - |
Toxoplasma gondii | |
| 8-thiohypoxanthine | - |
Toxoplasma gondii | |
| adenine | - |
Toxoplasma gondii | |
| Benzonitrile | - |
Toxoplasma gondii | |
| cytosine | - |
Toxoplasma gondii | |
| guanine | - |
Toxoplasma gondii | |
| hypoxanthine | - |
Toxoplasma gondii | |
| isocytosine | - |
Toxoplasma gondii | |
| Uracil | - |
Toxoplasma gondii | |
| xanthine | - |
Toxoplasma gondii | |
KM Value [mM]
| KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|
| 0.0012 | - |
hypoxanthine | - |
Toxoplasma gondii | |
| 0.0013 | - |
guanine | - |
Toxoplasma gondii | |
| 0.0029 | - |
adenine | - |
Toxoplasma gondii | |
| 0.003 | - |
xanthine | - |
Toxoplasma gondii | |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Toxoplasma gondii | - |
- |
- |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| 5-phospho-alpha-D-ribose 1-diphosphate + adenine | less than 1% of the activity with xanthine | Toxoplasma gondii | AMP + diphosphate | - |
? | |
| 5-phospho-alpha-D-ribose 1-diphosphate + guanine | - |
Toxoplasma gondii | GMP + diphosphate | - |
? | |
| 5-phospho-alpha-D-ribose 1-diphosphate + hypoxanthine | - |
Toxoplasma gondii | IMP + diphosphate | - |
? | |
| 5-phospho-alpha-D-ribose 1-diphosphate + xanthine | - |
Toxoplasma gondii | 9-(5-phospho-beta-D-ribosyl)xanthine + diphosphate | - |
? | |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 7.5 | - |
reaction with hypoxanthine and guanine | Toxoplasma gondii |
| 7.8 | - |
reaction with xanthine | Toxoplasma gondii |
| 8 | 9.5 | reaction with adenine | Toxoplasma gondii |
Ki Value [mM]
| Ki Value [mM] | Ki Value maximum [mM] | Inhibitor | Comment | Organism | Structure |
|---|---|---|---|---|---|
| 0.002 | - |
2-aminopurine-6-thione | - |
Toxoplasma gondii | |
| 0.0035 | - |
hypoxanthine | - |
Toxoplasma gondii | |
| 0.006 | - |
6-Thiopurine | - |
Toxoplasma gondii | |
| 0.0079 | - |
5(4)-amino-4-imidazolecarboxamide | - |
Toxoplasma gondii | |
| 0.012 | - |
2-aminohypoxanthine | - |
Toxoplasma gondii | |
| 0.014 | - |
2-amino-9-deazahypoxanthine | - |
Toxoplasma gondii | |
| 0.014 | - |
2-oxohypoxanthine | - |
Toxoplasma gondii | |
| 0.022 | - |
2-aza-3-deazahypoxanthine | - |
Toxoplasma gondii | |
| 0.026 | - |
2-amino-7-deazahypoxanthine | - |
Toxoplasma gondii | |
| 0.03 | - |
2-aza-6-thio-3-deazapurine | - |
Toxoplasma gondii | |
| 0.035 | - |
8-aza-7-deazahypoxanthine | - |
Toxoplasma gondii | |
| 0.04 | - |
2-amino 1-methylhypoxanthine | - |
Toxoplasma gondii | |
| 0.053 | - |
6-amino-2-oxopurine | - |
Toxoplasma gondii | |
| 0.067 | - |
2-Aminopurine | - |
Toxoplasma gondii | |
| 0.068 | - |
2-thiohypoxanthine | - |
Toxoplasma gondii | |
| 0.081 | - |
8-aza-7-deaza-6-aminopurine | - |
Toxoplasma gondii | |
| 0.1 | - |
6-Chloropurine | - |
Toxoplasma gondii | |
| 0.23 | - |
2-amino-6-chloropurine | - |
Toxoplasma gondii | |
| 0.23 | - |
2-amino-9-methylhypoxanthine | - |
Toxoplasma gondii | |
| 0.231 | - |
2-aza-6-amino-3-deazapurine | - |
Toxoplasma gondii | |
| 0.246 | - |
2-oxo-6-thiopurine | - |
Toxoplasma gondii | |
| 0.286 | - |
cytosine | - |
Toxoplasma gondii | |
| 0.29 | - |
2-amino 1-methylpurine | - |
Toxoplasma gondii | |
| 0.31 | - |
6-amino 1-methylpurine | - |
Toxoplasma gondii | |
| 0.37 | - |
6-amino-2-methylpurine | - |
Toxoplasma gondii | |
| 0.379 | - |
4-oxopyrimidine | - |
Toxoplasma gondii | |
| 0.38 | - |
6-methoxypurine | - |
Toxoplasma gondii | |
| 0.39 | - |
8-aza-1-nitro-1,3-dideazapurine | - |
Toxoplasma gondii | |
| 0.41 | - |
2,6-dichloropurine | - |
Toxoplasma gondii | |
| 0.42 | - |
2,6-dithiopurine | - |
Toxoplasma gondii | |
| 0.42 | - |
8-thiohypoxanthine | - |
Toxoplasma gondii | |
| 0.437 | - |
6-amino-2,8-diaza-3-deazapurine | - |
Toxoplasma gondii | |
| 0.54 | - |
8-bromo-2-aminohypoxanthine | - |
Toxoplasma gondii | |
| 0.57 | - |
2-oxopurine | - |
Toxoplasma gondii | |
| 0.657 | - |
5-fluorocytosine | - |
Toxoplasma gondii | |
| 0.75 | - |
6-amino-8-bromopurine | - |
Toxoplasma gondii | |
| 0.808 | - |
Uracil | - |
Toxoplasma gondii | |
| 0.85 | - |
8-aza-2,6-diaminopurine | - |
Toxoplasma gondii | |
| 0.87 | - |
Benzonitrile | - |
Toxoplasma gondii | |
| 0.88 | - |
8-aza-7-deaza 6-thiopurine | - |
Toxoplasma gondii | |
| 0.97 | - |
6-Methylaminopurine | - |
Toxoplasma gondii | |
| 1 | - |
2,6-dioxo-1,3,7-trimethylpurine | - |
Toxoplasma gondii | |
| 1.06 | - |
isocytosine | - |
Toxoplasma gondii | |
| 1.1 | - |
6-benzylaminopurine | - |
Toxoplasma gondii | |
| 1.3 | - |
2-oxohypoxanthine-N3-oxide | - |
Toxoplasma gondii | |
| 1.4 | - |
2-oxo 1-methylhypoxanthine | - |
Toxoplasma gondii | |
| 1.5 | - |
2,6-dioxo 3-isobutyl-1-methylpurine | - |
Toxoplasma gondii | |
| 1.7 | - |
6-amino-7-deazapurine | - |
Toxoplasma gondii | |
| 1.9 | - |
2,6-dioxo-7-(beta-hydroxypropyl)-1,3-dimethylpurine | - |
Toxoplasma gondii | |
| 1.9 | - |
2-oxo 7-methylhypoxanthine | - |
Toxoplasma gondii | |
| 2 | - |
8-Azahypoxanthine | - |
Toxoplasma gondii | |
| 2.2 | - |
6-amino-2-chloropurine | - |
Toxoplasma gondii | |
| 2.5 | - |
8-aza-6-aminopurine | - |
Toxoplasma gondii | |
| 2.6 | - |
8-aza-2-aminohypoxanthine | - |
Toxoplasma gondii | |
| 3.1 | - |
2-amino-7-methylhypoxanthine | - |
Toxoplasma gondii | |
| 3.4 | - |
6-Hydroxymethylpterin | - |
Toxoplasma gondii | |
| 4.1 | - |
8-oxohypoxanthine | - |
Toxoplasma gondii | |
| 5.2 | - |
8-aza-1,3-dideazapurine | - |
Toxoplasma gondii | |
| 5.3 | - |
2,6-dioxo-1,3,9-trimethylpurine | - |
Toxoplasma gondii | |
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