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L2005
Lactoperoxidase from bovine milk
lyophilized powder (essentially salt-free), ≥200 units/mg protein
Synonim(y):
Donor:hydrogen peroxide oxidoreductase, Peroxidase
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About This Item
Polecane produkty
pochodzenie biologiczne
bovine milk
Poziom jakości
Postać
lyophilized powder (essentially salt-free)
aktywność właściwa
≥200 units/mg protein
stosunek absorbancji
A412/280 nm 0.7-0.9
numer dostępu UniProt
temp. przechowywania
−20°C
InChI
1S/H2O3/c1-3-2/h1-2H
Klucz InChI
JSPLKZUTYZBBKA-UHFFFAOYSA-N
informacje o genach
cow ... LPO(280844)
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Opis ogólny
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.
Zastosowanie
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.
Działania biochem./fizjol.
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.
Definicja jednostki
One unit will oxidize 1.0 μmole of 2,2′-azino-bis(3-ethylbenzthiazoline-6-sulfonic acid) at pH 5.5 at 25 °C.
Komentarz do analizy
Protein determined by Lowry method.
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substrat
Numer produktu
Opis
Cennik
Hasło ostrzegawcze
Danger
Zwroty wskazujące rodzaj zagrożenia
Zwroty wskazujące środki ostrożności
Klasyfikacja zagrożeń
Resp. Sens. 1
Kod klasy składowania
11 - Combustible Solids
Klasa zagrożenia wodnego (WGK)
WGK 1
Środki ochrony indywidualnej
Eyeshields, Gloves, type N95 (US)
Certyfikaty analizy (CoA)
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