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G6920

Sigma-Aldrich

Endo-β-galactosidase from Bacteroides fragilis

recombinant, expressed in E. coli, ≥140 units/mg protein, buffered aqueous solution

Sinónimos:

β-Galactosidase bacterial, Keratanase

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About This Item

Comisión internacional de enzimas:
3.2.1.103 (BRENDA, IUBMB)
Número MDL:
MFCD00131433
Código UNSPSC:
12352204
NACRES:
NA.54

recombinante

expressed in E. coli

Nivel de calidad

100

conjugado

(Glucosaminoglycan)

esterilidad

aseptically filled

Formulario

buffered aqueous solution

actividad específica

≥140 units/mg protein

mol peso

32 kDa

temp. de almacenamiento

2-8°C

Categorías relacionadas

Aplicación

Endo-β-galactosidase was used in fractional protein isolation. It was used for deglycosylation in glycoproteomics of the endothelial secretome of human endothelial cells.

Acciones bioquímicas o fisiológicas

Internal β(1-4) galactose linkages in unbranched, repeating poly-Nacetyllactosamine [GlcNAc β(1-3)Gal β (1-4)] structures are the preferred substrate.

Sulfated structures such as keratan sulfate are also cleaved. Branching and/or fucosylation of the substrate may reduce or completely inhibit cleavage. Sulfation of C-6 on galactose will block cleavage. Oligosaccharides of the neolacto-group are cleaved at greatly reduced rates depending on the deviation from the preferred substrate. For example, Gal β(1-3)GlcNAc β(1-3) Gal β(1-4)Glc is cleaved at 5X10-5 the rate of keratan sulfate

β-galactosidase cleaves lactose into its monosaccharide components, glucose and galactose. It also catalyses the transglycosylation of glucose into allolactose, the inducer of β-galactosidase, in a feedback loop.

Definición de unidad

One unit will release 1.0 μmole of reducing sugar from bovine corneal keratan sulfate per minute at 37 °C, pH 5.8.

Forma física

Aseptically filled solution in 20 mM Tris-HCl, pH 7.5

Código de clase de almacenamiento

10 - Combustible liquids

Clase de riesgo para el agua (WGK)

WGK 1

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable

Equipo de protección personal

Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)

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Certificados de análisis (COA)

Lot/Batch Number
MKCS9903
MKCV2435
MKCS2169
MKCQ7020
MKCP4739

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Xiaoke Yin et al.
Molecular & cellular proteomics : MCP, 12(4), 956-978 (2013-01-25)
Previous proteomics studies have partially unraveled the complexity of endothelial protein secretion but have not investigated glycosylation, a key modification of secreted and membrane proteins for cell communication. In this study, human umbilical vein endothelial cells were kept in serum-free
Maria Vistnes et al.
PloS one, 9(3), e89621-e89621 (2014-03-07)
We hypothesized that cleavage of the extracellular matrix (ECM) proteoglycans versican and aggrecan by ADAMTS (a disintegrin and metalloprotease with thrombospondin motifs) proteases, which contributes to stress-induced ECM-reorganization in atherogenesis and osteoarthritis, also play a role in heart failure development.
William Mark Erwin et al.
Arthritis research & therapy, 17, 240-240 (2015-09-06)
In the present study, we sought to quantify and contrast the secretome and biomechanical properties of the non-chondrodystrophic (NCD) and chondrodystrophic (CD) canine intervertebral disc (IVD) nucleus pulposus (NP). We used iTRAQ proteomic methods to quantify the secretome of both
Xiaoke Yin 殷晓科 et al.
Arteriosclerosis, thrombosis, and vascular biology, 39(9), 1859-1873 (2019-07-19)
Marfan syndrome (MFS) is caused by mutations in FBN1 (fibrillin-1), an extracellular matrix (ECM) component, which is modified post-translationally by glycosylation. This study aimed to characterize the glycoproteome of the aortic ECM from patients with MFS and relate it to
Salvatore Santamaria et al.
Scientific reports, 9(1), 10914-10914 (2019-07-31)
ADAMTS (A Disintegrin-like and Metalloproteinase domain with Thrombospondin type 1 Motif)-1, -4 and -5 share the abilities to cleave large aggregating proteoglycans including versican and aggrecan. These activities are highly relevant to cardiovascular disease and osteoarthritis and during development. Here
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