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Literature summary for 3.1.1.1 extracted from

  • Choi, Y.J.; Miguez, C.B.; Lee, B.H.
    Characterization and heterologous gene expression of a novel esterase from Lactobacillus casei CL96 (2004), Appl. Environ. Microbiol., 70, 3213-3221.
    View publication on PubMedView publication on EuropePMC

Inhibitors

Inhibitors Comment Organism Structure
2-mercaptoethanol
-
Lacticaseibacillus casei
Ag+
-
Lacticaseibacillus casei
DEPC histidine modifier Lacticaseibacillus casei
Hg2+
-
Lacticaseibacillus casei
PAO cysteine modifier Lacticaseibacillus casei

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.014
-
4-nitrophenyl caprylate pH 7.0, 37°C Lacticaseibacillus casei
0.019
-
4-nitrophenyl caproate pH 7.0, 37°C Lacticaseibacillus casei
0.043
-
4-nitrophenyl caprate pH 7.0, 37°C Lacticaseibacillus casei
0.097
-
4-nitrophenyl butanoate pH 7.0, 37°C Lacticaseibacillus casei
0.134
-
4-nitrophenyl acetate pH 7.0, 37°C Lacticaseibacillus casei
0.186
-
4-nitrophenyl laurate pH 7.0, 37°C Lacticaseibacillus casei

Metals/Ions

Metals/Ions Comment Organism Structure
Ca2+ stimulation Lacticaseibacillus casei
Mn2+ stimulation Lacticaseibacillus casei
Zn2+ stimulation Lacticaseibacillus casei

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
67064
-
x * 67500, SDS-PAGE, x * 67064, calculated, protein with S-tag Lacticaseibacillus casei
67500
-
x * 67500, SDS-PAGE, x * 67064, calculated, protein with S-tag Lacticaseibacillus casei

Organism

Organism UniProt Comment Textmining
Lacticaseibacillus casei Q840T2
-
-
Lacticaseibacillus casei CL96 Q840T2
-
-

Reaction

Reaction Comment Organism Reaction ID
a carboxylic ester + H2O = an alcohol + a carboxylate catalytic triad consists of S325, D516, and H558 Lacticaseibacillus casei

Storage Stability

Storage Stability Organism
-20°C, 50 mM phosphate buffer, pH 7.0, 10% v/v glycerol, stable for several weeks Lacticaseibacillus casei

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4-nitrophenyl acetate + H2O
-
Lacticaseibacillus casei 4-nitrophenol + acetate
-
?
4-nitrophenyl acetate + H2O
-
Lacticaseibacillus casei CL96 4-nitrophenol + acetate
-
?
4-nitrophenyl butanoate + H2O
-
Lacticaseibacillus casei 4-nitrophenol + butanoate
-
?
4-nitrophenyl butanoate + H2O
-
Lacticaseibacillus casei CL96 4-nitrophenol + butanoate
-
?
4-nitrophenyl caprate + H2O
-
Lacticaseibacillus casei 4-nitrophenol + capric acid
-
?
4-nitrophenyl caprate + H2O
-
Lacticaseibacillus casei CL96 4-nitrophenol + capric acid
-
?
4-nitrophenyl caproate + H2O
-
Lacticaseibacillus casei 4-nitrophenol + caproate
-
?
4-nitrophenyl caproate + H2O
-
Lacticaseibacillus casei CL96 4-nitrophenol + caproate
-
?
4-nitrophenyl caprylate + H2O
-
Lacticaseibacillus casei 4-nitrophenol + caprylate
-
?
4-nitrophenyl laurate + H2O
-
Lacticaseibacillus casei 4-nitrophenol + lauric acid
-
?
4-nitrophenyl laurate + H2O
-
Lacticaseibacillus casei CL96 4-nitrophenol + lauric acid
-
?

Subunits

Subunits Comment Organism
? x * 67500, SDS-PAGE, x * 67064, calculated, protein with S-tag Lacticaseibacillus casei

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
37
-
-
Lacticaseibacillus casei

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
0.024
-
4-nitrophenyl laurate pH 7.0, 37°C Lacticaseibacillus casei
0.032
-
4-nitrophenyl acetate pH 7.0, 37°C Lacticaseibacillus casei
0.089
-
4-nitrophenyl caprate pH 7.0, 37°C Lacticaseibacillus casei
0.099
-
4-nitrophenyl butanoate pH 7.0, 37°C Lacticaseibacillus casei
0.119
-
4-nitrophenyl caproate pH 7.0, 37°C Lacticaseibacillus casei
0.125
-
4-nitrophenyl caprylate pH 7.0, 37°C Lacticaseibacillus casei

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7
-
-
Lacticaseibacillus casei

pH Stability

pH Stability pH Stability Maximum Comment Organism
6 8 stable within this range Lacticaseibacillus casei