L2005
Lactoperoxidase from bovine milk
lyophilized powder (essentially salt-free), ≥200 units/mg protein
Sinónimos:
Donor:hydrogen peroxide oxidoreductase, Peroxidase
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About This Item
Productos recomendados
origen biológico
bovine milk
Nivel de calidad
Formulario
lyophilized powder (essentially salt-free)
actividad específica
≥200 units/mg protein
cociente de absorbancia
A412/280 nm 0.7-0.9
Nº de acceso UniProt
temp. de almacenamiento
−20°C
cadena SMILES
[O+H2]O[O-]
InChI
1S/H2O3/c1-3-2/h1-2H
Clave InChI
JSPLKZUTYZBBKA-UHFFFAOYSA-N
Información sobre el gen
cow ... LPO(280844)
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Descripción general
Lactoperoxidase is a major enzyme present in bovine milk and belongs to the peroxidase family. It is present in both plants and animals. The enzyme structure comprises a single polypeptide chain made up of 612 amino acid residues.
Aplicación
Lactoperoxidase from bovine milk has been used as a standard for milk lactoperoxidase to study the role of H2O2 in the inhibition of Staphylococcus aureus growth by Lactococcus garvieae in the presence of lactoperoxidase in raw milk. It has also been used in lactoperoxidase-mediated iodination to prepare radiolabeled peptides.
Acciones bioquímicas o fisiológicas
Lactoperoxidase catalyzes the oxidation of iodide to iodine by hydrogen peroxide. This activity provides a gentle, specific alternative to chloramine T for the radioiodination of proteins and DNA.
Lactoperoxidase contributes to the antimicrobial system of milk by inactivating a wide range of micro-organisms. This lactoperoxidase-mediated antimicrobial system is also identified in human secretions such as tear-fluid, saliva, and milk. Lactoperoxidase catalyzes the oxidation of molecules by releasing H2O2. The product exhibits antimicrobial activity.
Definición de unidad
One unit will oxidize 1.0 μmole of 2,2′-azino-bis(3-ethylbenzthiazoline-6-sulfonic acid) at pH 5.5 at 25 °C.
Nota de análisis
Protein determined by Lowry method.
sustrato
Referencia del producto
Descripción
Precios
Palabra de señalización
Danger
Frases de peligro
Consejos de prudencia
Clasificaciones de peligro
Resp. Sens. 1
Código de clase de almacenamiento
11 - Combustible Solids
Clase de riesgo para el agua (WGK)
WGK 1
Equipo de protección personal
Eyeshields, Gloves, type N95 (US)
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Certificados de análisis (COA)
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The response of Staphylococcus aureus growth inhibition by Lactococcus garvieae to catalase and milk lactoperoxidase, and its efficiency in raw milk cheese were evaluated. S. aureus and L. garvieae were co-cultivated in broth buffered at pH 6.8, and in raw
S Linde et al.
International journal of peptide and protein research, 15(5), 495-502 (1980-05-01)
Monoiodoinsulin was prepared using ion exchange chromatography. The isolated monoiodoinsulin showed on polyacrylamide gel electrophoresis two bands with different intensities related to the initial method of iodination. Each of the two bands were isolated from the gel, and determination of
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The British journal of nutrition, 84 Suppl 1, S19-S25 (2001-03-10)
Lactoperoxidase (LP) is one of the most prominent enzymes in bovine milk and catalyses the inactivation of a wide range of micro-organisms in the lactoperoxidase system (LP-s). LP-systems are also identified as natural antimicrobial systems in human secretions such as
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