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Literature summary extracted from

  • Helmsing, P.J.
    Purification and properties of galactolipase (1969), Biochim. Biophys. Acta, 178, 519-533.
    View publication on PubMed

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.1.1.26 2-mercaptoethanol 45% inhibition between 2-10 mM Phaseolus coccineus
3.1.1.26 cysteine 50% inhibition between 2-10 mM Phaseolus coccineus
3.1.1.26 dithioerythritol 13% inhibition with 13 mM Phaseolus coccineus
3.1.1.26 glutathione reduced, 48% inhibition 5-10 mM Phaseolus coccineus

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
3.1.1.26 0.31
-
digalactosyldiacylglycerol
-
Phaseolus coccineus
3.1.1.26 0.65
-
monogalactosyldiacylglycerol
-
Phaseolus coccineus

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
3.1.1.26 Sodium dithionite highest activity between 4-7 mM, above decrease of activation Phaseolus coccineus

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.1.1.26 110000
-
gel filtration Phaseolus coccineus

Natural Substrates/ Products (Substrates)

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

Organism

EC Number Organism UniProt Comment Textmining
3.1.1.26 Phaseolus coccineus
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.1.1.26
-
Phaseolus coccineus

Storage Stability

EC Number Storage Stability Organism
3.1.1.26 4°C, (NH4)2SO4-precipitation at pH-optimum, after 4 weeks 53.6% of the original activity left Phaseolus coccineus

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.1.1.26 digalactosyldiacylglycerol + H2O
-
Phaseolus coccineus digalactosylglycerol + fatty acid
-
?
3.1.1.26 digalactosyldiacylglycerol + H2O
-
Phaseolus coccineus ?
-
?
3.1.1.26 monogalactosyldiacylglycerol + H2O
-
Phaseolus coccineus galactosylglycerol + fatty acid
-
?
3.1.1.26 monogalactosyldiacylglycerol + H2O
-
Phaseolus coccineus ?
-
?

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
3.1.1.26 60
-
70-75% of the activity left after 10 min, monogalacatosyldiacylglycerol as substrate, 16% of the activity left after 10 min with digalactosyldiacylglycerol as substrate Phaseolus coccineus

Ki Value [mM]

EC Number Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
3.1.1.26 2 10 cysteine
-
Phaseolus coccineus