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Literature summary for 3.1.1.32 extracted from

  • Waite, M.; Rao, R.H.; Griffin, H.; Franson, R.; Miller, C.; Sisson, P.; Frye, J.
    Phospholipases A1 from lysosomes and plasma membranes of rat liver (1981), Methods Enzymol., 71, 674-689.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
Ca2+ 10 mM CaCl2, 50-60% inhibition of lysosomal enzyme Rattus norvegicus
NaCl 100 mM, 20-30% inhibition of lysosomal enzyme Rattus norvegicus

Localization

Localization Comment Organism GeneOntology No. Textmining
lysosome
-
Rattus norvegicus 5764
-
plasmalemma
-
Rattus norvegicus
-
-

Metals/Ions

Metals/Ions Comment Organism Structure
Ca2+ slight stimulation of solubilized enzyme from plasmalemma Rattus norvegicus

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
32000
-
x * 32000, lysosomal enzyme, SDS-PAGE Rattus norvegicus
75000
-
x * 75000, enzyme from plasmalemma, SDS-PAGE Rattus norvegicus

Organism

Organism UniProt Comment Textmining
Rattus norvegicus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Rattus norvegicus

Source Tissue

Source Tissue Comment Organism Textmining
liver
-
Rattus norvegicus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
6.383
-
lysosomal enzyme Rattus norvegicus
20.6
-
enzyme from plasmalemma Rattus norvegicus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1-palmitoyl-2-linoleoyl-sn-3-glycerophosphorylethanolamine + H2O
-
Rattus norvegicus palmitic acid + 2-linoleoyl-sn-3-glycerophosphorylethanolamine
-
?
phosphatidylcholine + H2O
-
Rattus norvegicus ?
-
?
phosphatidylethanolamine + H2O
-
Rattus norvegicus ?
-
?

Subunits

Subunits Comment Organism
? x * 32000, lysosomal enzyme, SDS-PAGE Rattus norvegicus
? x * 75000, enzyme from plasmalemma, SDS-PAGE Rattus norvegicus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
4
-
lysosomal enzyme Rattus norvegicus
8 9 enzyme from plasmalemma Rattus norvegicus

pH Range

pH Minimum pH Maximum Comment Organism
3 5 50% of maximal activity at pH 3.0 and at pH 5.0, lysosomal enzyme Rattus norvegicus