Activating Compound | Comment | Organism | Structure |
---|---|---|---|
adrenaline | activation is independent of the concentration of tyrosine, maximal activation achieved with 7-10 micromolar of adrenaline | Rana temporaria | |
dopamine | slight activation | Rana temporaria | |
metanephrine | slight activation | Rana temporaria | |
noradrenaline | slight activation | Rana temporaria |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
Aminooxyacetate | probably acts reacting with the cofactor | Rana temporaria | |
Canaline | probably acts reacting with the cofactor | Rana temporaria | |
homogentisate | half-maximal inhibition with 15 micromolar | Rana temporaria |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
additional information | - |
additional information | non-Michaelis complex kinetic | Rana temporaria |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
85000 | - |
gel filtration, isoforms I and II | Rana temporaria |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
L-tyrosine + 2-oxoglutarate | Rana temporaria | - |
4-hydroxyphenylpyruvate + L-glutamate | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Rana temporaria | - |
frog | - |
Purification (Comment) | Organism |
---|---|
partial purification of two isoenzymes, using several chromatographic steps | Rana temporaria |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
liver | - |
Rana temporaria | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
203 | - |
isoenzyme I | Rana temporaria |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
L-tyrosine + 2-oxoglutarate | - |
Rana temporaria | 4-hydroxyphenylpyruvate + L-glutamate | - |
? | |
L-tyrosine + 2-oxoglutarate | specific for 2-oxoglutarate as the amino group acceptor | Rana temporaria | 4-hydroxyphenylpyruvate + L-glutamate | - |
? | |
L-tyrosine + oxaloacetate | no activity | Rana temporaria | 4-hydroxyphenylpyruvate + L-aspartate | - |
? |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
37 | - |
assay at | Rana temporaria |