Inhibitors | Comment | Organism | Structure |
---|---|---|---|
L-cysteine | not inhibitory up to 3.7 mM | Salmonella enterica subsp. enterica serovar Typhimurium |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
5 | - |
O-acetyl-L-Ser | free enzyme | Salmonella enterica subsp. enterica serovar Typhimurium | |
5 | - |
O-acetyl-L-Ser | pH 7.2-7.4, 25°C | Salmonella enterica subsp. enterica serovar Typhimurium | |
5 | - |
O-acetyl-L-Ser | independent of sulfide concentration | Salmonella enterica subsp. enterica serovar Typhimurium |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
34000 | - |
2 * 34000, SDS-PAGE | Salmonella enterica subsp. enterica serovar Typhimurium |
68000 | - |
free enzyme, sedimentation equilibrium | Salmonella enterica subsp. enterica serovar Typhimurium |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
O-acetyl-L-Ser + sulfide | Salmonella enterica subsp. enterica serovar Typhimurium | final step in Cys synthesis | L-Cys + acetate | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Salmonella enterica subsp. enterica serovar Typhimurium | - |
- |
- |
Purification (Comment) | Organism |
---|---|
- |
Salmonella enterica subsp. enterica serovar Typhimurium |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
1100 | - |
free enzyme | Salmonella enterica subsp. enterica serovar Typhimurium |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
L-Cys + acetate | equilibrium constant | Salmonella enterica subsp. enterica serovar Typhimurium | O-acetyl-L-Ser + H2S | - |
r | |
O-acetyl-L-Ser + H2S | equilibrium constant | Salmonella enterica subsp. enterica serovar Typhimurium | L-Cys + acetate | - |
r | |
O-acetyl-L-Ser + sulfide | final step in Cys synthesis | Salmonella enterica subsp. enterica serovar Typhimurium | L-Cys + acetate | - |
? |
Subunits | Comment | Organism |
---|---|---|
dimer | 2 * 34000, SDS-PAGE | Salmonella enterica subsp. enterica serovar Typhimurium |
More | amino acid analysis, N-terminal amino acid is serine | Salmonella enterica subsp. enterica serovar Typhimurium |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
5.8 | 9.4 | - |
Salmonella enterica subsp. enterica serovar Typhimurium |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
pyridoxal 5'-phosphate | 2.1 mol per mol of dimeric enzyme | Salmonella enterica subsp. enterica serovar Typhimurium |