EC Number | General Stability | Organism |
---|---|---|
2.1.2.9 | EDTA or 2-mercaptoethanol stabilizes | Escherichia coli |
2.1.2.9 | high ionic strength, e.g. 150 mM KCl stabilizes and prevents adsorption to glassware | Escherichia coli |
EC Number | KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|---|
2.1.2.9 | 0.00035 | - |
L-methionyl-tRNAfMet | - |
Escherichia coli | |
2.1.2.9 | 0.0135 | - |
10-formyltetrahydrofolate | - |
Escherichia coli |
EC Number | Localization | Comment | Organism | GeneOntology No. | Textmining |
---|---|---|---|---|---|
2.1.2.9 | cytoplasm | - |
Escherichia coli | 5737 | - |
EC Number | Metals/Ions | Comment | Organism | Structure |
---|---|---|---|---|
2.1.2.9 | K+ | activity is maximum in presence of 7 mM MgCl2 and 150 mM KCl | Escherichia coli | |
2.1.2.9 | Mg2+ | activity is maximum in presence of 7 mM MgCl2 and 150 mM KCl | Escherichia coli |
EC Number | Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|---|
2.1.2.9 | 32000 | - |
1 * 32000, SDS-PAGE | Escherichia coli |
2.1.2.9 | 33000 | - |
sedimentation equilibrium method, gel filtration, small-angle neutron scattering | Escherichia coli |
EC Number | Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
2.1.2.9 | 10-formyltetrahydrofolate + L-methionyl-tRNAfMet + H2O | Escherichia coli | involved in initiation of protein biosynthesis | tetrahydrofolate + N-formylmethionyl-tRNAfMet | - |
? |
EC Number | Organic Solvent | Comment | Organism |
---|---|---|---|
2.1.2.9 | Glycerol | 50%, stable to | Escherichia coli |
EC Number | Organism | UniProt | Comment | Textmining |
---|---|---|---|---|
2.1.2.9 | Escherichia coli | - |
- |
- |
2.1.2.9 | Escherichia coli K12 EM20031(F32) | - |
- |
- |
EC Number | Purification (Comment) | Organism |
---|---|---|
2.1.2.9 | affinity chromatography on Sepharose-bound tRNA | Escherichia coli |
EC Number | Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|---|
2.1.2.9 | 35.4 | - |
- |
Escherichia coli |
EC Number | Storage Stability | Organism |
---|---|---|
2.1.2.9 | -15°C, 20 mM imidazole-HCl buffer, pH 7.6, 0.1 mM EDTA, 10 mM 2-mercaptoethanol, 50% glycerol, 150 mM KCl, several months, stable | Escherichia coli |
2.1.2.9 | 25°C, 20 mM imidazole-HCl buffer, pH 7.6, 0.1 mM EDTA, 10 mM 2-mercaptoethanol, 150 mM KCl, 2 days, stable | Escherichia coli |
EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
2.1.2.9 | 10-formyltetrahydrofolate + L-methionyl-tRNAfMet | - |
Escherichia coli | tetrahydrofolate + N-formylmethionyl-tRNAfMet | - |
r | |
2.1.2.9 | 10-formyltetrahydrofolate + L-methionyl-tRNAfMet + H2O | affinity of tRNAfMet for enzyme is improved by aminoacylation | Escherichia coli | tetrahydrofolate + N-formylmethionyl-tRNAfMet | - |
? | |
2.1.2.9 | 10-formyltetrahydrofolate + L-methionyl-tRNAfMet + H2O | 1.1 mol 10-L-formyltetrahydrofolate is bound per mol monomeric enzyme | Escherichia coli | tetrahydrofolate + N-formylmethionyl-tRNAfMet | - |
? | |
2.1.2.9 | 10-formyltetrahydrofolate + L-methionyl-tRNAfMet + H2O | formylates methionyl-tRNAfMet from E. coli | Escherichia coli | tetrahydrofolate + N-formylmethionyl-tRNAfMet | - |
? | |
2.1.2.9 | 10-formyltetrahydrofolate + L-methionyl-tRNAfMet + H2O | involved in initiation of protein biosynthesis | Escherichia coli | tetrahydrofolate + N-formylmethionyl-tRNAfMet | - |
? | |
2.1.2.9 | 10-formyltetrahydrofolate + L-methionyl-tRNAfMet + H2O | affinity of tRNAfMet for enzyme is improved by aminoacylation | Escherichia coli K12 EM20031(F32) | tetrahydrofolate + N-formylmethionyl-tRNAfMet | - |
? | |
2.1.2.9 | 10-formyltetrahydrofolate + L-methionyl-tRNAfMet + H2O | 1.1 mol 10-L-formyltetrahydrofolate is bound per mol monomeric enzyme | Escherichia coli K12 EM20031(F32) | tetrahydrofolate + N-formylmethionyl-tRNAfMet | - |
? | |
2.1.2.9 | 10-formyltetrahydrofolate + L-methionyl-tRNAfMet + H2O | formylates methionyl-tRNAfMet from E. coli | Escherichia coli K12 EM20031(F32) | tetrahydrofolate + N-formylmethionyl-tRNAfMet | - |
? | |
2.1.2.9 | additional information | no formylation of methionyl-tRNAmMet | Escherichia coli | ? | - |
? | |
2.1.2.9 | additional information | broad specificity at the level of tRNA binding, formylation of mischarged E. coli tRNAfMet | Escherichia coli | ? | - |
? | |
2.1.2.9 | additional information | no formylation of methionyl-tRNAmMet | Escherichia coli K12 EM20031(F32) | ? | - |
? | |
2.1.2.9 | additional information | broad specificity at the level of tRNA binding, formylation of mischarged E. coli tRNAfMet | Escherichia coli K12 EM20031(F32) | ? | - |
? |
EC Number | Subunits | Comment | Organism |
---|---|---|---|
2.1.2.9 | monomer | 1 * 32000, SDS-PAGE | Escherichia coli |
EC Number | Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|---|
2.1.2.9 | 25 | - |
assay at | Escherichia coli |
2.1.2.9 | 37 | - |
assay at | Escherichia coli |
EC Number | Turnover Number Minimum [1/s] | Turnover Number Maximum [1/s] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|---|
2.1.2.9 | 20 | - |
L-methionyl-tRNAfMet | - |
Escherichia coli |
EC Number | Cofactor | Comment | Organism | Structure |
---|---|---|---|---|
2.1.2.9 | 10-formyltetrahydrofolate | 1.1 mol 10-L-formyltetrahydrofolate is bound per mol monomeric enzyme | Escherichia coli | |
2.1.2.9 | tetrahydrofolate | - |
Escherichia coli |