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Literature summary for 3.1.1.26 extracted from

  • Matsuda, H.; Tanaka, G.; Morita, K.; Hirayama, O.
    Purification of a lipolytic acyl-hydrolase from Phaseolus vulgaris leaves by affinity chromatography on palmitolyated gauze and its properties (1979), Agric. Biol. Chem., 43, 563-570.
No PubMed abstract available

Activating Compound

Activating Compound Comment Organism Structure
EDTA 212% activity compared to assay without additives at 0.1 mM, 198% at 1 mM, 161% at 10 mM Phaseolus vulgaris

Inhibitors

Inhibitors Comment Organism Structure
CaCl2 no inhibition at 0.1 and 1.0 mM, 48% inhibition at 10 mM Phaseolus vulgaris
additional information not inhibited by MgCl2 at 10 mM Phaseolus vulgaris
NaCl 86% inhibition at 50 mM Phaseolus vulgaris
SDS 0.1% complete inhibition Phaseolus vulgaris

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.24
-
monogalactosyldiacylglycerol
-
Phaseolus vulgaris
0.53
-
phosphatidylcholine
-
Phaseolus vulgaris

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
90000
-
SDS-PAGE, gel filtration Phaseolus vulgaris

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
digalactosyldiacylglycerol + H2O Phaseolus vulgaris
-
?
-
?
monogalactosyldiacylglycerol + H2O Phaseolus vulgaris
-
?
-
?

Organic Solvent Stability

Organic Solvent Comment Organism
Acetone 88% inhibition at 10% Phaseolus vulgaris
Ethanol 98% inhibition at 10% Phaseolus vulgaris
ether 94% inhibition at 10% Phaseolus vulgaris

Organism

Organism UniProt Comment Textmining
Phaseolus vulgaris
-
-
-

Purification (Commentary)

Purification (Comment) Organism
227fold Phaseolus vulgaris

Source Tissue

Source Tissue Comment Organism Textmining
leaf
-
Phaseolus vulgaris
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
4.655
-
-
Phaseolus vulgaris

Storage Stability

Storage Stability Organism
-20°C, purified enzyme preparation, 3 months stable Phaseolus vulgaris

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
digalactosyldiacylglycerol + H2O 39% of the activity with monogalactosyldiacylglycerol Phaseolus vulgaris digalactosylglycerol + fatty acid
-
?
digalactosyldiacylglycerol + H2O
-
Phaseolus vulgaris ?
-
?
digalactosylmonoacylglycerol + H2O 49% of the activity with monogalactosyldiacylglycerol Phaseolus vulgaris digalactosylglycerol + fatty acid
-
?
lysophosphatidylcholine + H2O 89% of the activity with monogalactosyldiacylglycerol Phaseolus vulgaris ?
-
?
lysophosphatidylethanolamine + H2O 32% of the activity with monogalactosyldiacylglycerol Phaseolus vulgaris ?
-
?
lysophosphatidylglycerol + H2O 93% of the activity with monogalactosyldiacylglycerol Phaseolus vulgaris ?
-
?
monogalactosyldiacylglycerol + H2O best substrate Phaseolus vulgaris galactosylglycerol + fatty acid
-
?
monogalactosyldiacylglycerol + H2O
-
Phaseolus vulgaris ?
-
?
monogalactosylmonoacylglycerol + H2O 132% of the activity with monogalactosyldiacylglycerol Phaseolus vulgaris monogalactosylglycerol + fatty acid
-
?
phosphatidic acid + H2O 7% of the activity with monogalactosyldiacylglycerol Phaseolus vulgaris ?
-
?
phosphatidylcholine + H2O 31% of the activity with monogalactosyldiacylglycerol Phaseolus vulgaris ?
-
?
phosphatidylethanolamine + H2O 11% of the activity with monogalactosyldiacylglycerol Phaseolus vulgaris ?
-
?
phosphatidylglycerol + H2O 47% of the activity with monogalactosyldiacylglycerol Phaseolus vulgaris ?
-
?
sulfoquinovosyldiaclglycerol + H2O 14% of the activity with monogalactosyldiacylglycerol Phaseolus vulgaris ?
-
?
triacylglycerol + H2O below 0.1% of the activity with monogalactosyldiacylglycerol Phaseolus vulgaris ?
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
35
-
monogalactosyldiaylglycerol and phosphatidylcholine as substrates Phaseolus vulgaris

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
65
-
inactivated, pH 4 after 20 min, 80% of the activity retained by the same heating at pH 7.5 Phaseolus vulgaris