Activating Compound | Comment | Organism | Structure |
---|---|---|---|
glycerol | the recombinant enzyme CPS1 is activated by glycerol in the absence of N-acetyl-L-glutamate | Homo sapiens | |
N-acetyl-L-glutamate | essential activator | Homo sapiens | |
N-carbamyl-L-glutamate | - |
Homo sapiens |
Cloned (Comment) | Organism |
---|---|
expressed in Escherichia coli DH10Bac cells | Homo sapiens |
Protein Variants | Comment | Organism |
---|---|---|
A1378T | the carbamoyl-phosphate synthetase deficiency-causing mutation greatly decreases enzyme activity | Homo sapiens |
A438P | inactive | Homo sapiens |
Al38P | the carbamoyl-phosphate synthetase deficiency-causing mutation greatly decreases enzyme activity | Homo sapiens |
G1376S | the mutation has no detectable effect on activity | Homo sapiens |
L1381S | the mutation is clearly disease-causing (carbamoyl-phosphate synthetase deficiency), since it induces strong enzyme instability | Homo sapiens |
L390R | the mutation is clearly disease-causing (carbamoyl-phosphate synthetase deficiency), since it induces strong enzyme instability | Homo sapiens |
N355D | the carbamoyl-phosphate synthetase deficiency-causing mutation greatly decreases enzyme activity | Homo sapiens |
T1443A | the carbamoyl-phosphate synthetase deficiency-causing mutation greatly decreases enzyme activity | Homo sapiens |
T344A | the mutation has no detectable effect on activity | Homo sapiens |
T544M | the carbamoyl-phosphate synthetase deficiency-causing mutation greatly decreases enzyme activity | Homo sapiens |
Y389C | the carbamoyl-phosphate synthetase deficiency-causing mutation greatly decreases enzyme activity | Homo sapiens |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
glycerol | in the presence of N-acetyl-L-glutamate the enzyme is inhibited by increasing concentrations of glycerol | Homo sapiens |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.43 | - |
ATP | mutant enzyme Y389C, in 50 mM glycyl-glycine pH 7.4, 70 mM KCl, 1 mM dithiothreitol, 20 mM MgSO4, at 37°C | Homo sapiens | |
0.45 | - |
ATP | mutant enzyme G1376S, in 50 mM glycyl-glycine pH 7.4, 70 mM KCl, 1 mM dithiothreitol, 20 mM MgSO4, at 37°C | Homo sapiens | |
0.45 | - |
ATP | mutant enzyme T344A, in 50 mM glycyl-glycine pH 7.4, 70 mM KCl, 1 mM dithiothreitol, 20 mM MgSO4, at 37°C | Homo sapiens | |
0.47 | - |
ATP | recombinant wild type enzyme, in 50 mM glycyl-glycine pH 7.4, 70 mM KCl, 1 mM dithiothreitol, 20 mM MgSO4, at 37°C | Homo sapiens | |
0.57 | - |
ATP | mutant enzyme N355D, in 50 mM glycyl-glycine pH 7.4, 70 mM KCl, 1 mM dithiothreitol, 20 mM MgSO4, at 37°C | Homo sapiens | |
0.62 | - |
ATP | mutant enzyme T1443A, in 50 mM glycyl-glycine pH 7.4, 70 mM KCl, 1 mM dithiothreitol, 20 mM MgSO4, at 37°C | Homo sapiens | |
0.9 | - |
ATP | mutant enzyme A1378T, in 50 mM glycyl-glycine pH 7.4, 70 mM KCl, 1 mM dithiothreitol, 20 mM MgSO4, at 37°C | Homo sapiens | |
0.9 | - |
NH4+ | mutant enzyme A1378T, in 50 mM glycyl-glycine pH 7.4, 70 mM KCl, 1 mM dithiothreitol, 20 mM MgSO4, at 37°C | Homo sapiens | |
1 | - |
NH4+ | mutant enzyme N355D, in 50 mM glycyl-glycine pH 7.4, 70 mM KCl, 1 mM dithiothreitol, 20 mM MgSO4, at 37°C | Homo sapiens | |
1 | - |
NH4+ | mutant enzyme T1443A, in 50 mM glycyl-glycine pH 7.4, 70 mM KCl, 1 mM dithiothreitol, 20 mM MgSO4, at 37°C | Homo sapiens | |
1 | - |
NH4+ | recombinant wild type enzyme, in 50 mM glycyl-glycine pH 7.4, 70 mM KCl, 1 mM dithiothreitol, 20 mM MgSO4, at 37°C | Homo sapiens | |
1.1 | - |
NH4+ | mutant enzyme G1376S, in 50 mM glycyl-glycine pH 7.4, 70 mM KCl, 1 mM dithiothreitol, 20 mM MgSO4, at 37°C | Homo sapiens | |
1.1 | - |
NH4+ | mutant enzyme Y389C, in 50 mM glycyl-glycine pH 7.4, 70 mM KCl, 1 mM dithiothreitol, 20 mM MgSO4, at 37°C | Homo sapiens | |
1.2 | - |
NH4+ | mutant enzyme T344A, in 50 mM glycyl-glycine pH 7.4, 70 mM KCl, 1 mM dithiothreitol, 20 mM MgSO4, at 37°C | Homo sapiens | |
1.3 | - |
NH4+ | mutant enzyme T544M, in 50 mM glycyl-glycine pH 7.4, 70 mM KCl, 1 mM dithiothreitol, 20 mM MgSO4, at 37°C | Homo sapiens | |
1.92 | - |
ATP | mutant enzyme T544M, in 50 mM glycyl-glycine pH 7.4, 70 mM KCl, 1 mM dithiothreitol, 20 mM MgSO4, at 37°C | Homo sapiens | |
3.6 | - |
HCO3- | mutant enzyme T1443A, in 50 mM glycyl-glycine pH 7.4, 70 mM KCl, 1 mM dithiothreitol, 20 mM MgSO4, at 37°C | Homo sapiens | |
4 | - |
HCO3- | recombinant wild type enzyme, in 50 mM glycyl-glycine pH 7.4, 70 mM KCl, 1 mM dithiothreitol, 20 mM MgSO4, at 37°C | Homo sapiens | |
4.2 | - |
HCO3- | mutant enzyme Y389C, in 50 mM glycyl-glycine pH 7.4, 70 mM KCl, 1 mM dithiothreitol, 20 mM MgSO4, at 37°C | Homo sapiens | |
4.3 | - |
HCO3- | mutant enzyme A1378T, in 50 mM glycyl-glycine pH 7.4, 70 mM KCl, 1 mM dithiothreitol, 20 mM MgSO4, at 37°C | Homo sapiens | |
4.3 | - |
HCO3- | mutant enzyme T344A, in 50 mM glycyl-glycine pH 7.4, 70 mM KCl, 1 mM dithiothreitol, 20 mM MgSO4, at 37°C | Homo sapiens | |
4.5 | - |
HCO3- | mutant enzyme G1376S, in 50 mM glycyl-glycine pH 7.4, 70 mM KCl, 1 mM dithiothreitol, 20 mM MgSO4, at 37°C | Homo sapiens | |
4.6 | - |
HCO3- | mutant enzyme N355D, in 50 mM glycyl-glycine pH 7.4, 70 mM KCl, 1 mM dithiothreitol, 20 mM MgSO4, at 37°C | Homo sapiens | |
242 | - |
HCO3- | mutant enzyme T544M, in 50 mM glycyl-glycine pH 7.4, 70 mM KCl, 1 mM dithiothreitol, 20 mM MgSO4, at 37°C | Homo sapiens |
Localization | Comment | Organism | GeneOntology No. | Textmining |
---|---|---|---|---|
mitochondrion | - |
Homo sapiens | 5739 | - |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
192000 | - |
recombinant enzyme, gel filtration | Homo sapiens |
202000 | - |
native enzyme, gel filtration | Homo sapiens |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
2 ATP + NH4+ + HCO3- | Homo sapiens | - |
2 ADP + phosphate + carbamoyl phosphate | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Homo sapiens | P31327 | - |
- |
Purification (Comment) | Organism |
---|---|
HisTrap column chromatography | Homo sapiens |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
intestine | - |
Homo sapiens | - |
liver | - |
Homo sapiens | - |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
2 ATP + NH4+ + HCO3- | - |
Homo sapiens | 2 ADP + phosphate + carbamoyl phosphate | - |
? |
Synonyms | Comment | Organism |
---|---|---|
carbamoyl-phosphate synthetase 1 | - |
Homo sapiens |
CPS1 | - |
Homo sapiens |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
ATP | - |
Homo sapiens |