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Literature summary for 3.1.1.4 extracted from

  • Kemparaju, K.; Prasad, B.N.; Gowda, V.T.
    Purification of a basic phospholipase A2 from Indian Saw-Scawled Viper (Echis carinatus) venom: characterization of antigenic, catalytic and pharmacological properties (1994), Toxicon, 32, 1187-1196.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
anti-peptide antibody
-
Echis carinatus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.25
-
phosphatidylcholine
-
Echis carinatus

Metals/Ions

Metals/Ions Comment Organism Structure
Ca2+
-
Echis carinatus

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
13500
-
gel filtration Echis carinatus
14000
-
SDS-PAGE Echis carinatus

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
phospholipids + H2O Echis carinatus presynaptic neurotoxicity of neutral PLA2 ?
-
?

Organism

Organism UniProt Comment Textmining
Echis carinatus
-
Indian Saw-Scawled Viper
-

Purification (Commentary)

Purification (Comment) Organism
column chromatography, electrophoresis, EC-IV-PLA2, 2.3fold Echis carinatus

Source Tissue

Source Tissue Comment Organism Textmining
venom
-
Echis carinatus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.4
-
substrate: phosphatidylcholine Echis carinatus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
phosphatidylcholine + H2O
-
Echis carinatus 1-acylglycerophosphocholine + fatty acid
-
?
phospholipids + H2O presynaptic neurotoxicity of neutral PLA2 Echis carinatus ?
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
50 55 EC-IV-PLA2 Echis carinatus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.5 8 EC-IV-PLA2 Echis carinatus