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Merck

P6534

Sigma-Aldrich

Phospholipase A2 aus Schweinepankreas

ammonium sulfate suspension, ≥600 units/mg protein

Synonym(e):

Lecithinase A, PLA2

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About This Item

CAS-Nummer:
EC-Nummer:
EG-Nummer:
MDL-Nummer:
UNSPSC-Code:
12352204
NACRES:
NA.32

Form

ammonium sulfate suspension

Qualitätsniveau

Spezifische Aktivität

≥600 units/mg protein

UniProt-Hinterlegungsnummer

Lagertemp.

2-8°C

Angaben zum Gen

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Allgemeine Beschreibung

Phospholipase A2 is a small disulfide-rich protein having 124 residues. It is a calcium-dependent enzyme.

Anwendung

Phospholipase A2 has been used in phospholipase assay and to determine rat renal proximal tubular segments (PTS) viability during oxygenation and hypoxia-reoxygenation.

Biochem./physiol. Wirkung

It has a high catalytic activity on aggregated substrates compared to monomeric substrates.
Hydrolyzes the β-ester bond of zwitterionic glycerophospholipids. Preferred substrates are phosphatidylcholine, phosphatidylethanolamine, and their plasmalogen analogues. Phosphatidylinositol and phosphatidylserine are also hydrolyzed. Aggressively attacks phospholipids in membranes of intact cells.

Einheitendefinition

1 U hydrolysiert 1.0 μmol Soja L-α-Phosphatidylcholin zu L-α-Lysophosphatidylcholin und Fettsäure pro Minute bei pH 8.0 und 37 °C.

Physikalische Form

Suspension in 3.2 M (NH4)2SO4-Lösung, pH 5.5

Hinweis zur Analyse

Proteingehalt mittels Biuret-Reaktion bestimmt.

Lagerklassenschlüssel

11 - Combustible Solids

WGK

WGK 1

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable


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B van den Berg et al.
Journal of biomolecular NMR, 5(2), 110-121 (1995-02-01)
The three-dimensional structure of porcine pancreatic PLA2 (PLA2), present in a 40 kDa ternary complex with micelles and a competitive inhibitor, has been determined using multidimensional heteronuclear NMR spectroscopy. The structure of the protein (124 residues) is based on 1854
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Proceedings of the National Academy of Sciences of the United States of America, 90(17), 8297-8301 (1993-09-01)
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