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Literature summary for 2.3.1.53 extracted from

  • Krishna, R.V.; Krishnaswamy, P.R.; Rajagopal Rao, D.
    Enzymic synthesis of N-acetyl-L-phenylalanine in Escherichia coli K12 (1971), Biochem. J., 124, 905-913.
    View publication on PubMedView publication on EuropePMC

Inhibitors

Inhibitors Comment Organism Structure
iodoacetamide 0.5 mM, total inhibition Escherichia coli
N-ethylmaleimide 0.1 mM, total inhibition Escherichia coli
p-hydroxymercuribenzoate 0.1 mM, total inhibition Escherichia coli

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.13
-
acetyl-CoA
-
Escherichia coli
3.3
-
L-phenylalanine
-
Escherichia coli

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
18000
-
low speed sedimentation without reaching equilibrium Escherichia coli
24000
-
gel filtration Escherichia coli

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
acetyl-CoA + L-phenylalanine Escherichia coli enzyme is specific for L-isomer CoA + N-acetyl-L-phenylalanine
-
?

Organism

Organism UniProt Comment Textmining
Escherichia coli
-
K12
-

Purification (Commentary)

Purification (Comment) Organism
160fold Escherichia coli

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
75
-
L-phenylalanine Escherichia coli

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
acetyl-CoA + L-alanine 29% of activity with L-phenylalanine Escherichia coli CoA + N-acetyl-L-alanine
-
?
acetyl-CoA + L-histidine 60% of activity with L-phenylalanine Escherichia coli CoA + N-acetyl-L-histidine
-
?
acetyl-CoA + L-phenylalanine enzyme is specific for L-isomer Escherichia coli CoA + N-acetyl-L-phenylalanine
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
37
-
assay at Escherichia coli

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8
-
-
Escherichia coli