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Literature summary for 2.1.2.9 extracted from

  • Guillon, J.M.; Meinnel, T.; Mechulam, Y.; Lazennec, C.; Blanquet, S.; Fayat, G.
    Nucleotides of tRNA governing the specificity of Escherichia coli methionyl-tRNA(fMet) formyltransferase (1992), J. Mol. Biol., 224, 359-367.
    View publication on PubMed

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
additional information
-
additional information kinetic parameters of the formylation of various mutant methionyl-tRNAs Escherichia coli

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
32000
-
1 * 32000 Escherichia coli

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
10-formyltetrahydrofolate + L-methionyl-tRNAfMet + H2O Escherichia coli keeps in store initiator tRNAfMet for initiation of protein synthesis tetrahydrofolate + N-formylmethionyl-tRNAfMet
-
?
10-formyltetrahydrofolate + L-methionyl-tRNAfMet + H2O Escherichia coli involved in initiation of protein biosynthesis tetrahydrofolate + N-formylmethionyl-tRNAfMet
-
?

Organism

Organism UniProt Comment Textmining
Escherichia coli
-
-
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
10-formyltetrahydrofolate + L-methionyl-tRNAfMet + H2O specificity determinants at the end of the acceptor stem of tRNAfMet Escherichia coli tetrahydrofolate + N-formylmethionyl-tRNAfMet
-
?
10-formyltetrahydrofolate + L-methionyl-tRNAfMet + H2O formylates methionyl-tRNAfMet from E. coli Escherichia coli tetrahydrofolate + N-formylmethionyl-tRNAfMet
-
?
10-formyltetrahydrofolate + L-methionyl-tRNAfMet + H2O specificity is restricted to methionyl-tRNAfMet Escherichia coli tetrahydrofolate + N-formylmethionyl-tRNAfMet
-
?
10-formyltetrahydrofolate + L-methionyl-tRNAfMet + H2O nucleotide-mutants of tRNAfMet as substrates Escherichia coli tetrahydrofolate + N-formylmethionyl-tRNAfMet
-
?
10-formyltetrahydrofolate + L-methionyl-tRNAfMet + H2O keeps in store initiator tRNAfMet for initiation of protein synthesis Escherichia coli tetrahydrofolate + N-formylmethionyl-tRNAfMet
-
?
10-formyltetrahydrofolate + L-methionyl-tRNAfMet + H2O involved in initiation of protein biosynthesis Escherichia coli tetrahydrofolate + N-formylmethionyl-tRNAfMet
-
?
10-formyltetrahydrofolate + phenylalanyl-tRNAfMet + H2O 7fold less efficient formylation than of methionyl-tRNAfMet Escherichia coli tetrahydrofolate + N-formylphenylalanyl-tRNAfMet
-
?
10-formyltetrahydrofolate + valyl-tRNAfMet + H2O mischarged E. coli tRNAfMet Escherichia coli tetrahydrofolate + N-formylvalyl-tRNAfMet
-
?
10-formyltetrahydrofolate + valyl-tRNAfMet + H2O 130fold less efficient formylation than of methionyl-tRNAfMet Escherichia coli tetrahydrofolate + N-formylvalyl-tRNAfMet
-
?
additional information no formylation of methionyl-tRNAmMet Escherichia coli ?
-
?

Subunits

Subunits Comment Organism
monomer 1 * 32000 Escherichia coli

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
25
-
assay at Escherichia coli

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
additional information
-
additional information kinetic parameters of the formylation of various mutant methionyl-tRNAs Escherichia coli

Cofactor

Cofactor Comment Organism Structure
10-formyltetrahydrofolate
-
Escherichia coli
tetrahydrofolate
-
Escherichia coli