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Literature summary extracted from

  • Tamori, Y.; Nishijima, M.; Nojima, S.
    Properties of purified detergent-resistant phospholipase A of Escherichia coli K-12 (1979), J. Biochem., 86, 1129-1138.
    View publication on PubMed

Activating Compound

EC Number Activating Compound Comment Organism Structure
3.1.1.4 Triton X-100
-
Escherichia coli

General Stability

EC Number General Stability Organism
3.1.1.4 detergent-resistant enzyme, Triton X-100 prevents the enzymes thermal inactivation at 37øC Escherichia coli
3.1.1.4 sodium cholate prevents the enzymes thermal inactivation at 37øC Escherichia coli
3.1.1.4 sodium deoxycholate prevents the enzymes thermal inactivation at 37øC Escherichia coli
3.1.1.4 Span 40 prevents the enzymes thermal inactivation at 37›C > Escherichia coli

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
3.1.1.4 0.067
-
phosphatidylethanolamine active enzyme Escherichia coli
3.1.1.4 0.167
-
phosphatidylethanolamine inactivated enzyme Escherichia coli

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
3.1.1.4 plasma membrane
-
Escherichia coli 5886
-

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.1.1.4 21000
-
SDS-PAGE Escherichia coli
3.1.1.4 29000
-
SDS-PAGE, enzyme previously inactivated by heat treatment at 80°C or boiled in solution containing SDS Escherichia coli

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3.1.1.4 phospholipids + H2O Escherichia coli
-
?
-
?

Organism

EC Number Organism UniProt Comment Textmining
3.1.1.4 Escherichia coli
-
K-12
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.1.1.4 gel chromatography Escherichia coli

Storage Stability

EC Number Storage Stability Organism
3.1.1.4 -20°C Escherichia coli

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.1.1.4 phosphatidylcholine + H2O
-
Escherichia coli 1-acylglycerophosphocholine + fatty acid
-
?
3.1.1.4 phosphatidylethanolamine + H2O
-
Escherichia coli 1-acylglycerophosphorylethanolamine + fatty acid
-
?
3.1.1.4 phospholipids + H2O
-
Escherichia coli ?
-
?

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
3.1.1.4 37 43
-
Escherichia coli

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
3.1.1.4 30 70 aqueous solution of purified enzyme, with Triton X-100 Escherichia coli
3.1.1.4 37 70 aqueous solution of purified enzyme, without Triton X-100 Escherichia coli
3.1.1.4 100
-
crude preparation, even activation observable Escherichia coli