KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.00052 | - |
hypoxanthine | - |
Cricetulus griseus | |
0.0011 | - |
guanine | - |
Cricetulus griseus | |
0.0011 | - |
guanine | - |
Homo sapiens | |
0.0053 | - |
5-phospho-alpha-D-ribose 1-diphosphate | - |
Cricetulus griseus |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Mg2+ | required | Homo sapiens |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
25000 | - |
3 * 25000, SDS-PAGE | Cricetulus griseus |
26000 | - |
3 * 26000, SDS-PAGE | Homo sapiens |
78000 | 85000 | gel filtration | Cricetulus griseus |
80000 | 85000 | gel filtration, acrylamide gel electrophoresis | Cricetulus griseus |
81000 | 83000 | sedimentation equilibrium centrifugation | Homo sapiens |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Cricetulus griseus | - |
at least 3 charge variant isoforms | - |
Homo sapiens | - |
3 charge variant forms | - |
Purification (Comment) | Organism |
---|---|
- |
Cricetulus griseus |
from erythrocytes and from brain | Homo sapiens |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
brain | - |
Cricetulus griseus | - |
erythrocyte | - |
Homo sapiens | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
9 | - |
purified enzyme, brain | Cricetulus griseus |
17.5 | - |
purified enzyme, erythrocytes | Homo sapiens |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
guanine + 5-phospho-alpha-D-ribose 1-diphosphate | - |
Cricetulus griseus | GMP + diphosphate | - |
? | |
guanine + 5-phospho-alpha-D-ribose 1-diphosphate | - |
Homo sapiens | GMP + diphosphate | - |
? | |
hypoxanthine + 5-phospho-alpha-D-ribose 1-diphosphate | - |
Cricetulus griseus | IMP + diphosphate | - |
? | |
hypoxanthine + 5-phospho-alpha-D-ribose 1-diphosphate | - |
Homo sapiens | IMP + diphosphate | - |
? |
Subunits | Comment | Organism |
---|---|---|
trimer | 3 * 26000, SDS-PAGE | Homo sapiens |
trimer | 3 * 25000, SDS-PAGE | Cricetulus griseus |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
37 | - |
assay at | Cricetulus griseus |
37 | - |
assay at | Homo sapiens |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
85 | - |
if first incubated in 1 mM 5-phospho-alpha-D-ribose 1-diphosphate, remarkably stable | Cricetulus griseus |
85 | - |
if first incubated in 1 mM 5-phospho-alpha-D-ribose 1-diphosphate, remarkably stable | Homo sapiens |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
additional information | - |
3 charge variant forms with pIs of 5.6, 5.7 and 5.9 | Homo sapiens |
additional information | - |
3 charge variant forms with pIs of 6.2, 6.4 and 6.6 | Cricetulus griseus |
7.8 | - |
assay at | Homo sapiens |
10 | - |
- |
Cricetulus griseus |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
5.5 | 11 | - |
Cricetulus griseus |