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Literature summary for 3.5.2.6 extracted from

  • Ogawara, H.; Maeda, K.; Umezawa, H.
    A beta-lactamase of Escherichia coli (1972), Biochim. Biophys. Acta, 289, 203-211.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
Cloxacillin
-
Escherichia coli
Co2+ poor inhibition Escherichia coli
Cu2+
-
Escherichia coli
I2
-
Escherichia coli
p-chloromercuribenzoate
-
Escherichia coli
p-chloromercuriphenylsulfonate
-
Escherichia coli

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.0428
-
penicillin G
-
Escherichia coli

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
26000
-
disc electophoresis Escherichia coli

Organism

Organism UniProt Comment Textmining
Escherichia coli
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Escherichia coli

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
617
-
-
Escherichia coli

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
ampicillin + H2O
-
Escherichia coli (2R,4S)-2-[(R)-[[(2R)-2-amino-2-phenylacetyl]amino](carboxy)methyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid
-
?
cephaloridine + H2O
-
Escherichia coli (2R)-2-[(R)-carboxy[(thiophen-2-ylacetyl)amino]methyl]-5-(pyridinium-1-ylmethyl)-3,6-dihydro-2H-1,3-thiazine-4-carboxylate
-
?
penicillin G + H2O
-
Escherichia coli (2R,4S)-2-[(R)-carboxy[(phenylacetyl)amino]methyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid
-
?

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
60
-
1% activity after 5 min Escherichia coli