Cloned (Comment) | Organism |
---|---|
overexpressed in Escherichia coli using pUC19 with a lacUV5 promoter | Escherichia coli |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
(NH4)6Mo7O24 | 1 mM, 61% loss of activity | Escherichia coli | |
AgNO3 | 1 mM, complete loss of activity | Escherichia coli | |
CuSO4 | 1 mM, 99% loss of activity | Escherichia coli | |
FeSO4 | 1 mM, 99% loss of activity | Escherichia coli | |
iodoacetamide | 1 mM, 48% loss of activity | Escherichia coli | |
PCMB | 1 mM, 97% loss of activity | Escherichia coli | |
ZnCl2 | 1 mM, 88% loss of activity | Escherichia coli |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.133 | - |
sodium thiosulfate | - |
Escherichia coli | |
1.3 | - |
O-acetyl-L-Ser | - |
Escherichia coli |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
32600 | - |
2 * 32600, SDS-PAGE | Escherichia coli |
64000 | - |
gel filtration | Escherichia coli |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Escherichia coli | - |
- |
- |
Purification (Comment) | Organism |
---|---|
- |
Escherichia coli |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
728 | - |
25°C | Escherichia coli |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
O-acetyl-L-Ser + 1,2,3,4-tetrazole | - |
Escherichia coli | ? | - |
? | |
O-acetyl-L-Ser + 1,2,3-benzotriazole | weak activity | Escherichia coli | ? | - |
? | |
O-acetyl-L-Ser + 1,2,4-triazole | - |
Escherichia coli | ? | - |
? | |
O-acetyl-L-Ser + 1-propanethiol | - |
Escherichia coli | ? | - |
? | |
O-acetyl-L-Ser + 3-mercapto-1,2,4-triazole | - |
Escherichia coli | ? | - |
? | |
O-acetyl-L-Ser + benzenethiol | - |
Escherichia coli | L-cys + benzylacetate | - |
? | |
O-acetyl-L-Ser + cysteamine | weak activity | Escherichia coli | ? | - |
? | |
O-acetyl-L-Ser + H2S | - |
Escherichia coli | L-Cys + acetate | - |
? | |
O-acetyl-L-Ser + pyrazole | weak activity | Escherichia coli | ? | - |
? | |
O-acetyl-L-Ser + sodium azide | weak activity | Escherichia coli | ? | - |
? | |
O-acetyl-L-Ser + sodium thiosulfate | - |
Escherichia coli | ? | - |
? |
Subunits | Comment | Organism |
---|---|---|
dimer | 2 * 32600, SDS-PAGE | Escherichia coli |
More | OASS-B does not form a complex with Escherichia coli serine acetyltransferase (SAT, EC 2.3.1.30) | Escherichia coli |
Synonyms | Comment | Organism |
---|---|---|
O-acetylserine sulfhydrylase-B | - |
Escherichia coli |
OASS-B | - |
Escherichia coli |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
- |
60 | 1 h, pH 7.5, stable | Escherichia coli |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
7.2 | 9 | - |
Escherichia coli |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
6 | 10 | pH 6: about 55% of maximal activity, pH 10.0: about 40% of maximal activity | Escherichia coli |