L2005
Lactoperoxidase from bovine milk
lyophilized powder (essentially salt-free), ≥200 units/mg protein
Sinônimo(s):
Donor:hydrogen peroxide oxidoreductase, Peroxidase
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About This Item
Produtos recomendados
fonte biológica
bovine milk
Nível de qualidade
forma
lyophilized powder (essentially salt-free)
atividade específica
≥200 units/mg protein
razão de absorbância
A412/280 nm 0.7-0.9
nº de adesão UniProt
temperatura de armazenamento
−20°C
InChI
1S/H2O3/c1-3-2/h1-2H
chave InChI
JSPLKZUTYZBBKA-UHFFFAOYSA-N
Informações sobre genes
cow ... LPO(280844)
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Descrição geral
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.
Aplicação
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.
Ações bioquímicas/fisiológicas
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.
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.
Definição da unidade
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 análise
Protein determined by Lowry method.
substrato
Nº do produto
Descrição
Preços
Palavra indicadora
Danger
Frases de perigo
Declarações de precaução
Classificações de perigo
Resp. Sens. 1
Código de classe de armazenamento
11 - Combustible Solids
Classe de risco de água (WGK)
WGK 1
Equipamento de proteção individual
Eyeshields, Gloves, type N95 (US)
Certificados de análise (COA)
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