Activating Compound | Comment | Organism | Structure |
---|---|---|---|
dithiothreitol | slight activation | Escherichia coli | |
iodoacetamide | slight activation | Escherichia coli |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
(NH4)6Mo7O24 | 1 mM, 97% inhibition | Escherichia coli | |
acetate | - |
Escherichia coli | |
AgNO3 | 1 mM, 22% inhibition | Escherichia coli | |
Cys | - |
Escherichia coli | |
EDTA | 1 mM, 16% inhibition | Escherichia coli | |
FeSO4 | 1 mM, 96% inhibition | Escherichia coli | |
O-acetylserine | - |
Escherichia coli | |
p-chloromercuribenzoate | 1 mM, 59% inhibition | Escherichia coli | |
S2- | - |
Escherichia coli | |
Sulfide | - |
Escherichia coli | |
Zn2+ | 1 mM, 94% inhibition | Escherichia coli |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.006 | - |
H2S | pH 7.5, 25°C, free enzyme | Escherichia coli | |
0.013 | - |
H2S | pH 7.5, 25°C, enzyme bound to serine acetyltransferase | Escherichia coli | |
4.8 | - |
O-acetyl-L-Ser | pH 7.5, 25°C, free enzyme | Escherichia coli | |
27 | - |
O-acetyl-L-Ser | pH 7.5, 25°C, enzyme bound to serine acetyltransferase | Escherichia coli |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Mg2+ | slight activation | Escherichia coli |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Escherichia coli | - |
- |
- |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
additional information | activity of the enzyme bound to serine acetyltransferase is lower than that of the free enzyme | Escherichia coli | ? | - |
? | |
O-acetyl-L-Ser + H2S | - |
Escherichia coli | L-Cys + acetate | - |
? | |
O-acetyl-L-serine | - |
Escherichia coli | L-cysteine + acetate | - |
? |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
- |
- |
12 h, about 20% loss of activity | Escherichia coli |
20 | 40 | 12 h, stable | Escherichia coli |
60 | - |
12 h, about 15% loss of activity | Escherichia coli |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
8 | 9 | free enzyme | Escherichia coli |
9.5 | - |
enzyme bound to serine acetyltransferase | Escherichia coli |
Ki Value [mM] | Ki Value maximum [mM] | Inhibitor | Comment | Organism | Structure |
---|---|---|---|---|---|
0.011 | - |
S2- | pH 7.5, 25 C, free enzyme | Escherichia coli | |
0.11 | - |
S2- | pH 7.5, 25 C, enzyme bound to serine acetyltransferase | Escherichia coli | |
7.1 | - |
O-acetyl-L-Ser | pH 7.5, 25 C, free enzyme | Escherichia coli | |
8.6 | - |
cysteine | pH 7.5, 25 C, free enzyme | Escherichia coli | |
18 | - |
O-acetyl-L-Ser | pH 7.5, 25 C, enzyme bound to serine acetyltransferase | Escherichia coli | |
48 | - |
cysteine | pH 7.5, 25 C, enzyme bound to serine acetyltransferase | Escherichia coli | |
160 | - |
acetate | pH 7.5, 25 C, free enzyme | Escherichia coli | |
340 | - |
acetate | pH 7.5, 25 C, enzyme bound to serine acetyltransferase | Escherichia coli |