G0413
β(1→4)-Galactosidase, positionally specific from Streptococcus pneumoniae
recombinant, expressed in E. coli, buffered aqueous solution
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About This Item
Numero CAS:
Numero MDL:
Codice UNSPSC:
12352204
NACRES:
NA.32
Prodotti consigliati
Ricombinante
expressed in E. coli
Livello qualitativo
Stato
buffered aqueous solution
Attività specifica
≥6 units/mg protein
Confezionamento
vial of 0.06 unit
N° accesso UniProt
Condizioni di spedizione
wet ice
Temperatura di conservazione
2-8°C
Informazioni sul gene
human ... GLB1(2720)
Categorie correlate
Descrizione generale
β-Galactosidase is present in bacteria, fungi, yeast and animal organs. It is also found in fruits, such as apples, almonds and apricots.[1] β-Galactosidase is a tetramer and is made up of four polypeptide chains consisting of amino acids that assemble to form five structural domains. The domains are jelly roll barrel, a central domain that serves as an active site and the remaining domains are composed of β-sandwich and fibronectin.[2]
Applicazioni
β(1→4)-Galactosidase, positionally specific from Streptococcus pneumonia has been used:
- as a position-specific enzyme to study its effects in the terminal galactosylation with protective efficacy of glycosphingolipid (GSPL) in mice.[3]
- for the digestion of radioactive oligosaccharides.[4]
- as a position-specific enzymeto study its effects on the virulence profile of avirulent Leishmania donovani clone (A-LD).[5]
Azioni biochim/fisiol
β-Galactosidase plays a role in hydrolyzing the D-galactosyl moieties in oligosaccharides, polymers and secondary metabolites. It is widely applicable in the dairy industry to remove lactose from milk and dairy products for the benefit of lactose-intolerant individuals. β-Galactosidase is also applicable in the food industry to improve the sweetness, flavor and solubility.[1]
Definizione di unità
One unit will hydrolyze 1 μmole of p-nitrophenyl β-D-galactopyranoside per min at pH 5.0 at 37 °C.
Stato fisico
Solution in 20 mM Tris-HCl, pH 7.5, 25 mM NaCl
Codice della classe di stoccaggio
10 - Combustible liquids
Classe di pericolosità dell'acqua (WGK)
WGK 3
Punto d’infiammabilità (°F)
Not applicable
Punto d’infiammabilità (°C)
Not applicable
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