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Literature summary for 3.1.1.3 extracted from

  • Mrdakovic, M.; Lazarevic, J.; Peric-Mataruga, V.; Ilijin, L.; Vlahovic, M.
    Partial characterization of a lipase from gypsy moth (Lymantria dispar L.) larval midgut (2008), Folia Biol. (Krakow), 56, 103-110.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
Ag+ 7.57% relative activity at 1 mM Lymantria dispar
Cu2+ 78.41% relative activity at 1 mM Lymantria dispar
Fe2+ 25.54% relative activity at 1 mM Lymantria dispar
Fe3+ 58.56% relative activity at 1 mM Lymantria dispar
additional information not significantly affected by Na+, K+, Mg2+, Mn2+, Cd2+, Ca2+, and EDTA Lymantria dispar
Pb2+ 6.22% relative activity at 1 mM Lymantria dispar
phenylmethylsulfonyl fluoride 9.1% relative activity at 1 mM Lymantria dispar

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.31
-
4-nitrophenyl caprylate in Tris-HCl buffer (50 mM, pH 8.2), at 37°C Lymantria dispar

Metals/Ions

Metals/Ions Comment Organism Structure
additional information the enzyme is Ca2+ independent Lymantria dispar

Organism

Organism UniProt Comment Textmining
Lymantria dispar
-
gypsy moth
-

Source Tissue

Source Tissue Comment Organism Textmining
midgut larval midgut Lymantria dispar
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4-nitrophenyl caprate + H2O
-
Lymantria dispar 4-nitrophenol + caprate
-
?
4-nitrophenyl caprylate + H2O best substrate Lymantria dispar 4-nitrophenol + caprylate
-
?
4-nitrophenyl laurate + H2O
-
Lymantria dispar 4-nitrophenol + laurate
-
?
additional information enzymatic activity chain fatty acid esters longer than C12 is below 10% of maximum activity Lymantria dispar ?
-
?

Synonyms

Synonyms Comment Organism
triacylglycerol hydrolase
-
Lymantria dispar

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
20 77 approximately 10% loss in activity occurrs when the enzyme is kept at 20°C for 1 h, 40% loss of activity at 40°C, the enzyme is almost inactive after preincubation at 70°C, the enzyme is unstable at room temperature Lymantria dispar

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8.2
-
-
Lymantria dispar

pH Stability

pH Stability pH Stability Maximum Comment Organism
5 8.2 decreased activity is detected after preincubation in buffers of pH below 7.0 and above 8.2, at pH lower than 6.5 the enzyme is almost inactive, complete loss of activity at pH below 5.0 Lymantria dispar