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Literature summary for 6.1.1.17 extracted from

  • Kern, D.; Lapointe, J.
    The glutamyl-tRNA synthetase of Escherichia coli: substrate-induced protection against its thermal inactivation (1979), Nucleic Acids Res., 7, 501-515.
    View publication on PubMedView publication on EuropePMC

Organism

Organism UniProt Comment Textmining
Escherichia coli
-
-
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
ATP + L-glutamate + tRNAGlu
-
Escherichia coli AMP + diphosphate + L-glutamyl-tRNAGlu
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
47
-
aminoacylation Escherichia coli

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
35 55 35°C: about 70% of maximal activity, 55°C: about 60% of maximal activity Escherichia coli

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
additional information
-
tRNAGlu and ATP protect efficiently against thermal inactivation, glutamate does not. Weak synergism between ATP and tRNAGlu, no synergism between ATP and glutamate. Highest stabilization with ATP, glutamate and tRNAGlu Escherichia coli
42
-
stable up to, without addition of substrate Escherichia coli
50
-
50% loss of activity, when temperature is increased gradually at the rate of 1 C per min, without addition of substrate Escherichia coli
60
-
complete loss of activity, when temperature is increased gradually at the rate of 1°C per min, without addition of substrate Escherichia coli