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Literature summary for 3.1.4.3 extracted from

  • Ghosh, S.; Pawalczyk, T.; Lowenstein, J.M.
    Phospholipase C isoforms d1 and d3 from human fibroblasts (1997), Protein Expr. Purif., 9, 262-278.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
tranformed in Escherichia coli Homo sapiens

Metals/Ions

Metals/Ions Comment Organism Structure
Ca2+
-
Homo sapiens
Ca2+
-
Rattus norvegicus

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
85100
-
PLC delta 3, gel electrophoresis Homo sapiens
85500
-
PLC delta 1, gel electrophoresis Homo sapiens

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
phosphatidylinositol-bisphosphate + H2O Homo sapiens
-
inositol 1,4,5-trisphosphate + 1,2-diacylglycerol
-
?
phosphatidylinositol-bisphosphate + H2O Rattus norvegicus
-
inositol 1,4,5-trisphosphate + 1,2-diacylglycerol
-
?

Organism

Organism UniProt Comment Textmining
Homo sapiens
-
-
-
Rattus norvegicus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
recombinant PLC d1 and D3 with poly-His-tail at the amino terminus, metal ion affinity chromatography Homo sapiens
recombinant PLC d1 and D3 without poly-His-tail at the amino terminus, cation exchange HPLC and phosphocellulose chromatography Homo sapiens

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
404
-
substrate: phosphatidylinositol-4,5-bisphosphate, PLC d3 with poly-His-tail, no significant change of activity after cleavage of poly-His-tail, expression at 16°C for 72 h Homo sapiens
1268
-
substrate: phosphatidylinositol-4,5-bisphosphate, PLC d1 with poly-His-tail, no significant change of activity after cleavage of poly-His-tail, expression at 16°C for 72 h Homo sapiens

Storage Stability

Storage Stability Organism
-20°C, buffer B, purified recombinant PLC d1 and d3 with poly-His-tail, activity stable over 2 years, more than 15 freeze/thaw cycles between -20°C and 4°C reduce activity by 10-20% Homo sapiens
-20°C, crude extract, enzyme activity stable over 2 years Homo sapiens

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
phosphatidylinositol-bisphosphate + H2O
-
Homo sapiens inositol 1,4,5-trisphosphate + 1,2-diacylglycerol
-
?
phosphatidylinositol-bisphosphate + H2O
-
Rattus norvegicus inositol 1,4,5-trisphosphate + 1,2-diacylglycerol
-
?

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
24
-
for 60 min, recombinant PLC delta 1 and delta 3 with poly-His-tail, no loss of activity Homo sapiens
37
-
for 30 min, recombinant PLC delta 1 and delta 3 with poly-His-tail, no loss of activity Homo sapiens