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Literature summary for 3.5.1.11 extracted from

  • Kim, D.J.; Byun S.M.
    Purification and properties of ampicillin acylase from Pseudomonas melanogenum (1990), Biochim. Biophys. Acta, 1040, 12-18.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
Cu2+ decreases enzyme activity to 50% Pseudomonas melanogenum
diethyldicarbonate
-
Pseudomonas melanogenum
Fe2+ decreases enzyme activity to 50% Pseudomonas melanogenum
Hg2+ decreases enzyme activity to 50% Pseudomonas melanogenum
N-bromosuccinimide
-
Pseudomonas melanogenum

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
1.61
-
cephalexin
-
Pseudomonas melanogenum
1.79
-
cephadrine
-
Pseudomonas melanogenum
1.96
-
cephaloglycin
-
Pseudomonas melanogenum
4.34
-
ampicillin
-
Pseudomonas melanogenum

Localization

Localization Comment Organism GeneOntology No. Textmining
intracellular
-
Pseudomonas melanogenum 5622
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
72000
-
2 * 72000, SDS-PAGE Pseudomonas melanogenum
146000
-
gel filtration Pseudomonas melanogenum

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
additional information Pseudomonas melanogenum other natural penicillins ?
-
?

Organism

Organism UniProt Comment Textmining
Pseudomonas melanogenum
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Pseudomonas melanogenum

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
ampicillin + H2O
-
Pseudomonas melanogenum 6-aminopenicillanic acid + (R)-2-phenylglycine
-
r
cephadrine + H2O
-
Pseudomonas melanogenum ?
-
?
cephalexin + H2O
-
Pseudomonas melanogenum 7-amino-3-methyl-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid + D-phenylglycine
-
?
cephaloglycin + H2O
-
Pseudomonas melanogenum (6R,7R)-7-amino-3-(hydroxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid + (2R)-amino(phenyl)acetic acid
-
?
additional information other natural penicillins Pseudomonas melanogenum ?
-
?

Subunits

Subunits Comment Organism
dimer 2 * 72000, SDS-PAGE Pseudomonas melanogenum

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
37
-
-
Pseudomonas melanogenum

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6
-
-
Pseudomonas melanogenum