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Literature summary extracted from

  • Ben-Mahrez, K.; Limam, F.; Bellaaj, A.; Rejiba, S.; Ben-Hamouda, T.; Alfeddy, N.; Belhadj, C.; Belhadj, O.
    Purification and biochemical properties of beta-lactamase from Escherichia coli (1999), J. Toxicol. Toxin Rev., 18, 221-228.
No PubMed abstract available

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.5.2.6 clavulanic acid
-
Escherichia coli

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
3.5.2.6 0.0746
-
benzylpenicillin
-
Escherichia coli
3.5.2.6 0.135
-
ampicillin
-
Escherichia coli

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.5.2.6 30000
-
SDS-PAGE Escherichia coli

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3.5.2.6 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
-
?
3.5.2.6 benzylpenicillin + H2O Escherichia coli
-
(2R,4S)-2-[(R)-carboxy(2-phenylacetamido)methyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid
-
?

Organism

EC Number Organism UniProt Comment Textmining
3.5.2.6 Escherichia coli
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.5.2.6
-
Escherichia coli

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.5.2.6 1296
-
-
Escherichia coli

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.5.2.6 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
-
?
3.5.2.6 benzylpenicillin + H2O
-
Escherichia coli (2R,4S)-2-[(R)-carboxy(2-phenylacetamido)methyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid
-
?

Subunits

EC Number Subunits Comment Organism
3.5.2.6 monomer 1* 30000 Escherichia coli

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.5.2.6 8
-
-
Escherichia coli