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Literature summary for 3.1.4.4 extracted from

  • Taki, T.; Kanfer, J.N.
    Partial purification and properties of a rat brain phospholipase (1979), J. Biol. Chem., 254, 9761-9765.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
ethyl ether stimulates in the presence of Ca2+ Rattus norvegicus

Inhibitors

Inhibitors Comment Organism Structure
EDTA slight inhibition Rattus norvegicus
Fe2+
-
Rattus norvegicus
Fe3+ complete inhibition at 5 mM Rattus norvegicus
Mg2+
-
Rattus norvegicus
Mn2+
-
Rattus norvegicus
p-chloromercuribenzoate complete inhibition Rattus norvegicus
SDS
-
Rattus norvegicus
sodium taurocholate
-
Rattus norvegicus
Triton CF-54
-
Rattus norvegicus
Triton CF-54/Tween 80
-
Rattus norvegicus
Triton X-100
-
Rattus norvegicus
Tween 20
-
Rattus norvegicus
Tween 80
-
Rattus norvegicus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.75
-
phosphatidylcholine
-
Rattus norvegicus
0.78
-
dipalmitoylphosphatidylcholine
-
Rattus norvegicus
0.91
-
phosphatidylethanolamine
-
Rattus norvegicus

Localization

Localization Comment Organism GeneOntology No. Textmining
membrane
-
Rattus norvegicus 16020
-

Metals/Ions

Metals/Ions Comment Organism Structure
Ca2+ not required for activity Rattus norvegicus

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
200000
-
gel filtration Rattus norvegicus

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
phospholipid + H2O Rattus norvegicus phosphoric ester hydrolysis phosphatidic acid + alcohol
-
?

Organism

Organism UniProt Comment Textmining
Rattus norvegicus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
partial Rattus norvegicus

Source Tissue

Source Tissue Comment Organism Textmining
brain
-
Rattus norvegicus
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
dipalmitoylphosphatidylcholine + H2O
-
Rattus norvegicus dipalmitoylglycerophosphate + choline
-
?
phosphatidylcholine + H2O
-
Rattus norvegicus 1,2-diacylglycerophosphate + choline
-
?
phosphatidylethanolamine + H2O
-
Rattus norvegicus 1,2-diacylglycerophosphate + ethanolamine
-
?
phospholipid + H2O phosphoric ester hydrolysis Rattus norvegicus phosphatidic acid + alcohol
-
?

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
60 80 70% loss of activity after 3 min at 60°C Rattus norvegicus
60 80 complete loss of activity after 3 min at 80°C Rattus norvegicus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6
-
-
Rattus norvegicus

pH Range

pH Minimum pH Maximum Comment Organism
5 8
-
Rattus norvegicus