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475911

Sigma-Aldrich

Myeloperoxidase, Human Polymorphonuclear Leukocytes

A lysosomal enzyme that catalyzes oxidations by hydrogen peroxide, including MPO-chloride-mediated killing of microbes and tumor cells, inactivation of chemotactic factors, and cross-linking of proteins.

Sinónimos:

Myeloperoxidase, Human Polymorphonuclear Leukocytes, MPO

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About This Item

Número de CAS:
9003-99-0
Comisión internacional de enzimas:
1.11.1.7 (BRENDA, IUBMB)
UNSPSC Code:
12352202
NACRES:
NA.25

biological source

human

Quality Level

200

assay

≥95% (SDS-PAGE)

form

lyophilized

specific activity

150-200 units/mg protein

manufacturer/tradename

Calbiochem®

storage condition

OK to freeze

solubility

water: soluble (volume is lot-specific and can be found on the product label)

shipped in

wet ice

storage temp.

−20°C

InChI

1S/H2O3/c1-3-2/h1-2H

InChI key

JSPLKZUTYZBBKA-UHFFFAOYSA-N

General description

Native, human myeloperoxidase from polymorphonuclear leukocytes. A lysosomal enzyme that catalyzes oxidations by hydrogen peroxide, including MPO-chloride-mediated killing of microbes and tumor cells, inactivation of chemotactic factors, and cross-linking of proteins. MPO catalyzes the formation of hypochlorous acid that kills bacteria either by binding the halide ion to intracellular constituents or by oxidation of bacterial lipids and proteins.

Warning

Toxicity: Standard Handling (A)

Unit Definition

One unit is defined as the amount of enzyme that will reduce 1.0 µmol H₂O₂ per min at 25°C, pH 6.0.

Physical form

Lyophilized from 100-700 mM NaCl, 50 mM sodium acetate buffer, pH 6.0.

Preparation Note

Further dilute in 100 mM NaCl, 50 mM sodium acetate, pH 6.0. Enzyme may precipitate out of solution in low ionic strength buffers or in distilled H₂O.

Reconstitution

Following reconstitution, aliquot and freeze (-20°C or -70°C). Stock solutions are stable for up to 1 year at -20°C or -70°C.

Other Notes

Nauseef, W.M., et al. 1998. J. Leukocyte Biol. 63, 264.
Panasenko, O.M., et al. 1994. Free Radic. Biol. Med. 16, 143.
Mulligan, M.S., et al. 1992. Br. J. Pharmacol.107, 1159.
Sharonov, B.P., and Churilova, I.V. 1992. Biochem. Biophys. Res. Commun.189, 1129.

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

pictograms

Health hazard
GHS08

signalword

Danger

hcodes

H334

Hazard Classifications

Resp. Sens. 1

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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