KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.1732 | - |
L-Trp | in the presence of Hfq protein, in 0.1 M potassium phosphate buffer (pH 7.8), at 37°C | Escherichia coli | |
0.1901 | - |
L-Trp | in the absence of Hfq protein, in 0.1 M potassium phosphate buffer (pH 7.8), at 37°C | Escherichia coli |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
50000 | - |
tryptophanase subunit, SDS-PAGE | Escherichia coli |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Escherichia coli | - |
strains MG1655, MG1406, and MG1655H | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
0.508 | - |
cell extract from strain MG1655H, harvested at OD600 of 0.8, at 37°C | Escherichia coli |
0.747 | - |
cell extract from strain MG1655, harvested at OD600 of 0.4, at 37°C | Escherichia coli |
0.774 | - |
cell extract from strain MG1406, harvested at OD600 of 0.4, at 37°C | Escherichia coli |
0.808 | - |
cell extract from strain MG1655H, harvested at OD600 of 0.4, at 37°C | Escherichia coli |
0.818 | - |
cell extract from strain MG1655, harvested at OD600 of 0.8, at 37°C | Escherichia coli |
1.475 | - |
cell extract from strain MG1406, harvested at OD600 of 0.8, at 37°C | Escherichia coli |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
L-Trp + H2O | - |
Escherichia coli | indole + pyruvate + NH4+ | - |
? |
Synonyms | Comment | Organism |
---|---|---|
Trpase | - |
Escherichia coli |
tryptophan indole-lyase | - |
Escherichia coli |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
pyridoxal 5'-phosphate | - |
Escherichia coli |
General Information | Comment | Organism |
---|---|---|
physiological function | Hfq protein associates with tryptophanase under relatively higher extracellular indole levels, suggesting this is a feedback control of indole production | Escherichia coli |