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Literature summary for 3.4.11.1 extracted from

  • Ye, X.; Ng, T.
    Purification and characterisation of a leucine aminopeptidase from Lactococcus lactis subsp. lactis cultured in skim milk (2011), Int. Dairy J., 21, 501-503.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
Ca2+
-
Lactococcus lactis subsp. lactis
Co2+
-
Lactococcus lactis subsp. lactis

Inhibitors

Inhibitors Comment Organism Structure
Ag+
-
Lactococcus lactis subsp. lactis
bestatin
-
Lactococcus lactis subsp. lactis
EDTA
-
Lactococcus lactis subsp. lactis
iodoacetate
-
Lactococcus lactis subsp. lactis
N-ethylmaleimide
-
Lactococcus lactis subsp. lactis

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
54300
-
? * 54300, SDS-PAGE Lactococcus lactis subsp. lactis

Organism

Organism UniProt Comment Textmining
Lactococcus lactis subsp. lactis
-
-
-

Purification (Commentary)

Purification (Comment) Organism
ammonium sulfate fractionation, ionexchange chromatography (DEAE), hydroxylapatite chromatography Lactococcus lactis subsp. lactis

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
Ala-4-nitroanilide + H2O 18.7% of activity towards Leu-4-nitroanilide Lactococcus lactis subsp. lactis L-alanine + 4-nitroaniline
-
?
Arg-4-nitroanilide + H2O 52.5% of activity towards Leu-4-nitroanilide Lactococcus lactis subsp. lactis L-arginine + 4-nitroaniline
-
?
Leu-4-nitroanilide + H2O
-
Lactococcus lactis subsp. lactis L-leucine + 4-nitroaniline
-
?
Lys-4-nitroanilide + H2O 41.9% of activity towards Leu-4-nitroanilide Lactococcus lactis subsp. lactis L-lysine + 4-nitroaniline
-
?

Subunits

Subunits Comment Organism
? ? * 54300, SDS-PAGE Lactococcus lactis subsp. lactis

Synonyms

Synonyms Comment Organism
leucine aminopeptidase
-
Lactococcus lactis subsp. lactis

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
35
-
-
Lactococcus lactis subsp. lactis

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
45
-
above 45°C activity declines rapidly Lactococcus lactis subsp. lactis

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7
-
-
Lactococcus lactis subsp. lactis

pH Range

pH Minimum pH Maximum Comment Organism
4 9
-
Lactococcus lactis subsp. lactis