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Literature summary for 3.4.11.10 extracted from

  • Izawa, N.; Ishikawa, S.; Tanokura, T.; Ohta, K.; Hayashi, K.
    Purification and characterization of Aeromonas caviae aminopeptidase possessing dibittering activity. (1997), J. Agric. Food Chem., 45, 4897-4902.
    View publication on PubMed

Application

Application Comment Organism
nutrition debittering of casein- and soyprotein-derived peptide solutions Aeromonas caviae

Inhibitors

Inhibitors Comment Organism Structure
1,10-phenanthroline 99% inhibition at 1 mM Aeromonas caviae
bestatin 99% inhibition at 0.05 mM Aeromonas caviae
Co2+
-
Aeromonas caviae
Cu2+
-
Aeromonas caviae
EDTA 10% inhibition at 1 mM Aeromonas caviae
Mn2+
-
Aeromonas caviae

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.03
-
Ile-Phe
-
Aeromonas caviae
0.05
-
Leu-Phe
-
Aeromonas caviae
0.07
-
L-Val-L-Phe
-
Aeromonas caviae
0.1
-
Leu-beta-naphthylamide
-
Aeromonas caviae
0.19
-
Val-beta-naphthylamide
-
Aeromonas caviae
0.52
-
Phe-beta-naphthylamide
-
Aeromonas caviae
0.96
-
Met-beta-naphthylamide
-
Aeromonas caviae
1.1
-
Met-Phe
-
Aeromonas caviae
2.1
-
Phe-Phe
-
Aeromonas caviae
4.6
-
Arg-Phe
-
Aeromonas caviae

Localization

Localization Comment Organism GeneOntology No. Textmining
extracellular
-
Aeromonas caviae
-
-

Metals/Ions

Metals/Ions Comment Organism Structure
Zn2+
-
Aeromonas caviae

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
29500
-
MALDI-TOF mass spectrometry Aeromonas caviae
31000
-
1 * 31000, SDS-PAGE Aeromonas caviae

Organism

Organism UniProt Comment Textmining
Aeromonas caviae
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Aeromonas caviae

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
55
-
-
Aeromonas caviae

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
Arg-Phe + H2O
-
Aeromonas caviae Arg + Phe
-
ir
Glu-Phe + H2O
-
Aeromonas caviae Glu + Phe
-
ir
Ile-Phe + H2O
-
Aeromonas caviae Ile + Phe
-
ir
L-Val-L-Phe + H2O
-
Aeromonas caviae L-Val + L-Phe
-
?
Leu-beta-naphthylamide + H2O
-
Aeromonas caviae Leu + beta-naphthylamine
-
ir
Leu-Phe + H2O
-
Aeromonas caviae Leu + Phe
-
ir
Met-beta-naphthylamide + H2O
-
Aeromonas caviae Met + beta-naphthylamine
-
ir
Met-Phe + H2O
-
Aeromonas caviae Met + Phe
-
ir
additional information effect of adjacent amino acids on specificity Aeromonas caviae ?
-
?
Phe-beta-naphthylamide + H2O
-
Aeromonas caviae Phe + beta-naphthylamine
-
ir
Phe-Phe + H2O
-
Aeromonas caviae Phe + Phe
-
ir
Val-beta-naphthylamide + H2O
-
Aeromonas caviae Val + beta-naphthylamine
-
ir

Subunits

Subunits Comment Organism
monomer 1 * 31000, SDS-PAGE Aeromonas caviae

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
50
-
-
Aeromonas caviae

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
40
-
below, 30 min Aeromonas caviae

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
additional information
-
additional information penultimative substituents influence rate of hydrolysis Aeromonas caviae
0.001
-
Glu-Phe
-
Aeromonas caviae
0.26
-
Val-beta-naphthylamide
-
Aeromonas caviae
1.3
-
L-Val-L-Phe
-
Aeromonas caviae
6
-
Arg-Phe
-
Aeromonas caviae
6.3
-
Phe-beta-naphthylamide
-
Aeromonas caviae
8.2
-
Met-beta-naphthylamide
-
Aeromonas caviae
10
-
Ile-Phe
-
Aeromonas caviae
22
-
Met-Phe
-
Aeromonas caviae
38
-
Leu-beta-naphthylamide
-
Aeromonas caviae
41
-
Leu-Phe
-
Aeromonas caviae
158
-
Phe-Phe
-
Aeromonas caviae

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8.5
-
-
Aeromonas caviae

pH Stability

pH Stability pH Stability Maximum Comment Organism
8 9 30 min Aeromonas caviae