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Literature summary for 3.4.14.5 extracted from

  • Habibi-Najafi, M.B.; Lee, B.H.
    Purification and characterization of X-prolyl dipeptidyl peptidase from Lactobacillus casei subsp. casei LLG (1994), Appl. Microbiol. Biotechnol., 42, 280-286.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
diisopropyl fluorophosphate
-
Lactococcus lactis
Fe2+ 1 mM, 13% inhibition Lactococcus lactis
Hg2+
-
Lactococcus lactis
phenylmethylsulfonyl fluoride
-
Lactococcus lactis

Organism

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

Purification (Commentary)

Purification (Comment) Organism
-
Lactococcus lactis

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
-
Lactococcus lactis

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
Gly-Pro-4-methylcoumarin 7-amide + H2O
-
Lactococcus lactis Gly-Pro + 7-amino-4-methylcoumarin
-
?
Lys-Pro-4-methoxy-2-naphthylamide + H2O
-
Lactococcus lactis Lys-Pro + 4-methoxy-2-naphthylamine
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
50
-
-
Lactococcus lactis

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
15 55 15°C: about 30% of maximal activity, 55°C: about 40% of maximal activity Lactococcus lactis

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7
-
two optima at pH 7.0 and at pH 9.5 Lactococcus lactis
9.5
-
two optima at pH 7.0 and at pH 9.5 Lactococcus lactis

pH Range

pH Minimum pH Maximum Comment Organism
5 10.5 pH 5.0: about 55% of maximal activity, pH 10.5: about 30% of maximal activity Lactococcus lactis

pH Stability

pH Stability pH Stability Maximum Comment Organism
9
-
12 h, stable below Lactococcus lactis
10
-
1 h, stable below Lactococcus lactis