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Literature summary extracted from

  • Akiba, S.; Dodia, C.; Chen, X.; Fisher, A.B.
    Characterization of acidic Ca2+-independent phospholipase A2 of bovine lung (1998), Comp. Biochem. Physiol. B, 120, 393-404.
    View publication on PubMed

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.1.1.4 1-hexadecyl-3-trifluoroethylglycero-sn-2-phosphomethanol MJ33, competitive inhibitor Bos taurus
3.1.1.4 3,4-dichloroisocoumarin
-
Bos taurus
3.1.1.4 3,4-dichloroisocoumarin
-
Homo sapiens
3.1.1.4 anti-peptide antibody
-
Bos taurus
3.1.1.4 Diethyl p-nitrophenyl phosphate
-
Bos taurus
3.1.1.4 Diethyl p-nitrophenyl phosphate
-
Homo sapiens
3.1.1.4 diisopropyl fluorophosphate
-
Bos taurus
3.1.1.4 diisopropyl fluorophosphate
-
Homo sapiens
3.1.1.4 phenylmethylsulfonyl fluoride
-
Bos taurus

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
3.1.1.4 cytoplasm
-
Homo sapiens 5737
-
3.1.1.4 cytoplasm
-
Bos taurus 5737
-

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
3.1.1.4 Ca2+
-
Homo sapiens
3.1.1.4 Ca2+
-
Bos taurus

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.1.1.4 26000
-
-
Homo sapiens
3.1.1.4 29000
-
-
Bos taurus

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 Homo sapiens
-
?
-
?
3.1.1.4 phospholipids + H2O Bos taurus
-
?
-
?

Organism

EC Number Organism UniProt Comment Textmining
3.1.1.4 Bos taurus
-
cow
-
3.1.1.4 Homo sapiens
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.1.1.4 partial purification, 176fold Bos taurus

Source Tissue

EC Number Source Tissue Comment Organism Textmining
3.1.1.4 liver
-
Homo sapiens
-
3.1.1.4 lung
-
Homo sapiens
-
3.1.1.4 lung
-
Bos taurus
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.1.1.4 0.027
-
acidic iPLA2, substrate: 1-O-hexadecyl-2-arachidonoyl-glycero-3-phosphocholine Bos taurus
3.1.1.4 0.064
-
acidic iPLA2, substrate: 1-palmitoyl-2-arachidonylphosphatidylcholine or 1,2-dipalmitoyl-phosphatidylcholine Bos taurus
3.1.1.4 0.065
-
acidic iPLA2, substrate: oxidized 1-palmitoyl-2-arachidonylphosphatidylcholine Bos taurus
3.1.1.4 0.08
-
acidic iPLA2, pH 4.0, Ca2+-free medium, substrate: 1,2-dipalmitoyl-phosphatidylcholine Bos taurus

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.1.1.4 1,2-dipalmitoyl-phosphatidylcholine + H2O
-
Homo sapiens 1-palmitoyl-glycerophosphorylcholine + palmitic acid
-
?
3.1.1.4 1,2-dipalmitoyl-phosphatidylcholine + H2O
-
Bos taurus 1-palmitoyl-glycerophosphorylcholine + palmitic acid
-
?
3.1.1.4 1-O-hexadecyl-2-arachidonyl-glycero-3-phosphocholine + H2O
-
Bos taurus 1-O-hexadecyl-glycero-3-phosphocholine + arachidonic acid
-
?
3.1.1.4 1-palmitoyl-2-arachidonoylphosphatidylcholine + H2O
-
Homo sapiens 1-palmitoyl-glycerophosphorylcholine + arachidonic acid
-
?
3.1.1.4 1-palmitoyl-2-arachidonoylphosphatidylcholine + H2O
-
Bos taurus 1-palmitoyl-glycerophosphorylcholine + arachidonic acid
-
?
3.1.1.4 oxidized phosphatidylcholines + H2O
-
Homo sapiens 1-acylglycerophosphocholine + oxidized fatty acids
-
?
3.1.1.4 oxidized phosphatidylcholines + H2O oxidized 1-palmitoyl-2-arachidonoylphosphatidylcholine for substrate Bos taurus 1-acylglycerophosphocholine + oxidized fatty acids
-
?
3.1.1.4 phosphatidylcholine + H2O
-
Homo sapiens 1-acylglycerophosphocholine + fatty acid
-
?
3.1.1.4 phosphatidylcholine + H2O
-
Bos taurus 1-acylglycerophosphocholine + fatty acid
-
?
3.1.1.4 phospholipids + H2O
-
Homo sapiens ?
-
?
3.1.1.4 phospholipids + H2O
-
Bos taurus ?
-
?

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.1.1.4 4
-
at pH 7.4 or 8.5 the activity of acidic iPLA2 decreased above 97% Bos taurus