General Stability | Organism |
---|---|
no stabilization by glycerol or His, ATP or unfractionated tRNA at concentrations similar to those in the enzyme assay | Oryctolagus cuniculus |
stability is reduced at protein concentrations of less than 0.015 mg/ml | Oryctolagus cuniculus |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
p-hydroxymercuribenzoate | - |
Oryctolagus cuniculus |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.000004 | - |
tRNAHisII | substrate from rabbit reticuloytes | Oryctolagus cuniculus | |
0.000006 | - |
tRNAHis | unfractionated substrate from rabbit liver or rabbit reticulocyte tRNAHisI | Oryctolagus cuniculus | |
0.0005 | - |
L-His | - |
Oryctolagus cuniculus | |
0.08 | - |
His | ATP | Oryctolagus cuniculus |
Localization | Comment | Organism | GeneOntology No. | Textmining |
---|---|---|---|---|
cytosol | - |
Oryctolagus cuniculus | 5829 | - |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
KCl | optimal concentration is 45 mM in absence of KCl, 5 mM in presence of 160 mM KCl | Oryctolagus cuniculus | |
Mg2+ | optimal concentration is 45 mM in absence of KCl, 5 mM in presence of 160 mM KCl | Oryctolagus cuniculus |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
64000 | - |
2 * 64000, SDS-PAGE | Oryctolagus cuniculus |
122000 | - |
sucrose density gradient centrifugation | Oryctolagus cuniculus |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Oryctolagus cuniculus | - |
- |
- |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
reticulocyte | - |
Oryctolagus cuniculus | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
0.687 | - |
- |
Oryctolagus cuniculus |
Storage Stability | Organism |
---|---|
-85°C, stable for many months | Oryctolagus cuniculus |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
ATP + L-histidine + tRNAHis | - |
Oryctolagus cuniculus | AMP + diphosphate + L-histidyl-tRNAHis | - |
? |
Subunits | Comment | Organism |
---|---|---|
dimer | 2 * 64000, SDS-PAGE | Oryctolagus cuniculus |
Turnover Number Minimum [1/s] | Turnover Number Maximum [1/s] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
additional information | - |
additional information | - |
Oryctolagus cuniculus |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
8 | 8.5 | - |
Oryctolagus cuniculus |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
6.5 | 9 | enzyme activity does not vary much in this range | Oryctolagus cuniculus |