EC Number | Activating Compound | Comment | Organism | Structure |
---|---|---|---|---|
1.20.4.4 | additional information | mechanism by which potassium and tetrahedral oxyanions affect catalysis within the Trx-coupled family of arsenate reductases | Staphylococcus aureus | |
1.20.4.4 | additional information | mechanism by which potassium and tetrahedral oxyanions affect catalysis within the Trx-coupled family of arsenate reductases | Bacillus subtilis |
EC Number | Cloned (Comment) | Organism |
---|---|---|
1.20.4.4 | expressed in Escherichia coli | Staphylococcus aureus |
1.20.4.4 | expressed in Escherichia coli | Bacillus subtilis |
EC Number | Crystallization (Comment) | Organism |
---|---|---|
1.20.4.4 | x-ray structures of the mutants | Staphylococcus aureus |
1.20.4.4 | x-ray structures of the mutants | Bacillus subtilis |
EC Number | Protein Variants | Comment | Organism |
---|---|---|---|
1.20.4.4 | C10S/C15A | change of the P-loop geometry | Staphylococcus aureus |
1.20.4.4 | H62Q | change of the P-loop geometry | Staphylococcus aureus |
1.20.4.4 | H62Q/N33K | site directed mutagenesis | Staphylococcus aureus |
1.20.4.4 | H62Q/N33K/E30D/G31E | site directed mutagenesis | Staphylococcus aureus |
1.20.4.4 | K33D | site directed mutagenesis | Bacillus subtilis |
1.20.4.4 | K33N | site directed mutagenesis | Bacillus subtilis |
1.20.4.4 | additional information | commonly occurring mutation of a histidine (H62), located about 6 A from the potassium-binding site in Sa_ArsC, to a glutamine uncouples the kinetic dependency on potassium. Mutations within the Trx-coupled family of arsenate reductases lead to subtly different ion-dependent kinetic features | Staphylococcus aureus |
1.20.4.4 | additional information | commonly occurring mutation of a histidine (H62), located about 6 A from the potassium-binding site in Sa_ArsC, to a glutamine uncouples the kinetic dependency on potassium. Mutations within the Trx-coupled family of arsenate reductases lead to subtly different ion-dependent kinetic features | Bacillus subtilis |
EC Number | KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|---|
1.20.4.4 | 0.009 | - |
arsenate | wild-type Staphylococcus aureus, condition: 150 mM KCl, study about the impact of potassium and the tetrahedral oxyanion sulfate on the steady-state kinetic parameters | Staphylococcus aureus | |
1.20.4.4 | 0.022 | - |
arsenate | wild-type Staphylococcus aureus, condition: 150 mM NaCl, study about the impact of potassium and the tetrahedral oxyanion sulfate on the steady-state kinetic parameters | Staphylococcus aureus | |
1.20.4.4 | 0.047 | - |
arsenate | wild-type Bacillus subtilis, condition: 50 mM K2SO4, study about the impact of potassium and the tetrahedral oxyanion sulfate on the steady-state kinetic parameters | Bacillus subtilis | |
1.20.4.4 | 0.054 | - |
arsenate | wild-type Bacillus subtilis, condition: 150 mM KCl, study about the impact of potassium and the tetrahedral oxyanion sulfate on the steady-state kinetic parameters | Bacillus subtilis | |
1.20.4.4 | 0.058 | - |
arsenate | wild-type Bacillus subtilis, condition: 150 mM NaCl, study about the impact of potassium and the tetrahedral oxyanion sulfate on the steady-state kinetic parameters | Bacillus subtilis | |
1.20.4.4 | 0.061 | - |
arsenate | wild-type Staphylococcus aureus, condition: 50 mM Na2SO4, study about the impact of potassium and the tetrahedral oxyanion sulfate on the steady-state kinetic parameters | Staphylococcus aureus | |
1.20.4.4 | 0.064 | - |
arsenate | wild-type Bacillus subtilis, condition: 50 mM Na2SO4, study about the impact of potassium and the tetrahedral oxyanion sulfate on the steady-state kinetic parameters | Bacillus subtilis | |
1.20.4.4 | 0.08 | - |
arsenate | H62Q mutant Staphylococcus aureus, condition: 50 mM Na2SO4, study about the impact of potassium and the tetrahedral oxyanion sulfate on the steady-state kinetic parameters | Staphylococcus aureus | |
1.20.4.4 | 0.081 | - |
arsenate | wild-type Staphylococcus aureus, condition: 50 mM K2SO4, study about the impact of potassium and the tetrahedral oxyanion sulfate on the steady-state kinetic parameters | Staphylococcus aureus | |
1.20.4.4 | 0.087 | - |
arsenate | H62Q mutant Staphylococcus aureus, condition: 150 mM KCl, study about the impact of potassium and the tetrahedral oxyanion sulfate on the steady-state kinetic parameters | Staphylococcus aureus | |
1.20.4.4 | 0.123 | - |
arsenate | H62Q mutant Staphylococcus aureus, condition: 150 mM NaCl, study about the impact of potassium and the tetrahedral oxyanion sulfate on the steady-state kinetic parameters | Staphylococcus aureus | |
1.20.4.4 | 0.131 | - |
arsenate | H62Q mutant Staphylococcus aureus, condition: 50 mM K2SO4, study about the impact of potassium and the tetrahedral oxyanion sulfate on the steady-state kinetic parameters | Staphylococcus aureus |
EC Number | Organism | UniProt | Comment | Textmining |
---|---|---|---|---|
1.20.4.4 | Bacillus subtilis | P45947 | - |
- |
1.20.4.4 | Staphylococcus aureus | P0A006 | - |
- |
EC Number | Purification (Comment) | Organism |
---|---|---|
1.20.4.4 | - |
Staphylococcus aureus |
1.20.4.4 | - |
Bacillus subtilis |
EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
1.20.4.4 | arsenate + thioredoxin | - |
Staphylococcus aureus | arsenite + thioredoxin disulfide + H2O | - |
? | |
1.20.4.4 | arsenate + thioredoxin | - |
Bacillus subtilis | arsenite + thioredoxin disulfide + H2O | - |
? |
EC Number | Synonyms | Comment | Organism |
---|---|---|---|
1.20.4.4 | Bs_ArsC | - |
Bacillus subtilis |
1.20.4.4 | Sa_ArsC | - |
Staphylococcus aureus |
1.20.4.4 | thioredoxin-coupled arsenate reductase | detoxification enzyme | Staphylococcus aureus |
1.20.4.4 | thioredoxin-coupled arsenate reductase | detoxification enzyme | Bacillus subtilis |
1.20.4.4 | Trx-coupled arsenate reductase | - |
Staphylococcus aureus |
1.20.4.4 | Trx-coupled arsenate reductase | - |
Bacillus subtilis |
EC Number | Turnover Number Minimum [1/s] | Turnover Number Maximum [1/s] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|---|
1.20.4.4 | 0.58 | - |
arsenate | wild-type Staphylococcus aureus, condition: 150 mM NaCl, study about the impact of potassium and the tetrahedral oxyanion sulfate on the steady-state kinetic parameters | Staphylococcus aureus | |
1.20.4.4 | 0.7 | - |
arsenate | H62Q mutant Staphylococcus aureus, condition: 150 mM KCl, study about the impact of potassium and the tetrahedral oxyanion sulfate on the steady-state kinetic parameters | Staphylococcus aureus | |
1.20.4.4 | 0.75 | - |
arsenate | H62Q mutant Staphylococcus aureus, condition: 150 mM NaCl, study about the impact of potassium and the tetrahedral oxyanion sulfate on the steady-state kinetic parameters | Staphylococcus aureus | |
1.20.4.4 | 0.9 | - |
arsenate | wild-type Staphylococcus aureus, condition: 150 mM KCl, study about the impact of potassium and the tetrahedral oxyanion sulfate on the steady-state kinetic parameters | Staphylococcus aureus | |
1.20.4.4 | 1.3 | - |
arsenate | wild-type Bacillus subtilis, condition: 150 mM NaCl, study about the impact of potassium and the tetrahedral oxyanion sulfate on the steady-state kinetic parameters | Bacillus subtilis | |
1.20.4.4 | 1.6 | - |
arsenate | wild-type Bacillus subtilis, condition: 150 mM KCl, study about the impact of potassium and the tetrahedral oxyanion sulfate on the steady-state kinetic parameters | Bacillus subtilis | |
1.20.4.4 | 1.6 | - |
arsenate | wild-type Bacillus subtilis, condition: 50 mM K2SO4, study about the impact of potassium and the tetrahedral oxyanion sulfate on the steady-state kinetic parameters | Bacillus subtilis | |
1.20.4.4 | 1.98 | - |
arsenate | H62Q mutant Staphylococcus aureus, condition: 50 mM Na2SO4, study about the impact of potassium and the tetrahedral oxyanion sulfate on the steady-state kinetic parameters | Staphylococcus aureus | |
1.20.4.4 | 2 | - |
arsenate | wild-type Bacillus subtilis, condition: 50 mM Na2SO4, study about the impact of potassium and the tetrahedral oxyanion sulfate on the steady-state kinetic parameters | Bacillus subtilis | |
1.20.4.4 | 2.9 | - |
arsenate | wild-type Staphylococcus aureus, condition: 50 mM Na2SO4, study about the impact of potassium and the tetrahedral oxyanion sulfate on the steady-state kinetic parameters | Staphylococcus aureus | |
1.20.4.4 | 3.03 | - |
arsenate | H62Q mutant Staphylococcus aureus, condition: 50 mM K2SO4, study about the impact of potassium and the tetrahedral oxyanion sulfate on the steady-state kinetic parameters | Staphylococcus aureus | |
1.20.4.4 | 3.65 | - |
arsenate | wild-type Staphylococcus aureus, condition: 50 mM K2SO4, study about the impact of potassium and the tetrahedral oxyanion sulfate on the steady-state kinetic parameters | Staphylococcus aureus |
EC Number | kcat/KM Value [1/mMs-1] | kcat/KM Value Maximum [1/mMs-1] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|---|
1.20.4.4 | 6.1 | - |
arsenate | H62Q mutant Staphylococcus aureus, condition: 150 mM NaCl, study about the impact of potassium and the tetrahedral oxyanion sulfate on the steady-state kinetic parameters | Staphylococcus aureus | |
1.20.4.4 | 8.1 | - |
arsenate | H62Q mutant Staphylococcus aureus, condition: 150 mM KCl, study about the impact of potassium and the tetrahedral oxyanion sulfate on the steady-state kinetic parameters | Staphylococcus aureus | |
1.20.4.4 | 22.4 | - |
arsenate | wild-type Bacillus subtilis, condition: 150 mM NaCl, study about the impact of potassium and the tetrahedral oxyanion sulfate on the steady-state kinetic parameters | Bacillus subtilis | |
1.20.4.4 | 23.1 | - |
arsenate | H62Q mutant Staphylococcus aureus, condition: 50 mM K2SO4, study about the impact of potassium and the tetrahedral oxyanion sulfate on the steady-state kinetic parameters | Staphylococcus aureus | |
1.20.4.4 | 24.8 | - |
arsenate | H62Q mutant Staphylococcus aureus, condition: 50 mM Na2SO4, study about the impact of potassium and the tetrahedral oxyanion sulfate on the steady-state kinetic parameters | Staphylococcus aureus | |
1.20.4.4 | 26.4 | - |
arsenate | wild-type Staphylococcus aureus, condition: 150 mM NaCl, study about the impact of potassium and the tetrahedral oxyanion sulfate on the steady-state kinetic parameters | Staphylococcus aureus | |
1.20.4.4 | 29.6 | - |
arsenate | wild-type Bacillus subtilis, condition: 150 mM KCl, study about the impact of potassium and the tetrahedral oxyanion sulfate on the steady-state kinetic parameters | Bacillus subtilis | |
1.20.4.4 | 31.3 | - |
arsenate | wild-type Bacillus subtilis, condition: 50 mM Na2SO4, study about the impact of potassium and the tetrahedral oxyanion sulfate on the steady-state kinetic parameters | Bacillus subtilis | |
1.20.4.4 | 34 | - |
arsenate | wild-type Bacillus subtilis, condition: 50 mM K2SO4, study about the impact of potassium and the tetrahedral oxyanion sulfate on the steady-state kinetic parameters | Bacillus subtilis | |
1.20.4.4 | 45.1 | - |
arsenate | wild-type Staphylococcus aureus, condition: 50 mM K2SO4, study about the impact of potassium and the tetrahedral oxyanion sulfate on the steady-state kinetic parameters | Staphylococcus aureus | |
1.20.4.4 | 47.5 | - |
arsenate | wild-type Staphylococcus aureus, condition: 50 mM Na2SO4, study about the impact of potassium and the tetrahedral oxyanion sulfate on the steady-state kinetic parameters | Staphylococcus aureus | |
1.20.4.4 | 100 | - |
arsenate | wild-type Staphylococcus aureus, condition: 150 mM KCl, study about the impact of potassium and the tetrahedral oxyanion sulfate on the steady-state kinetic parameters | Staphylococcus aureus |