G1163
O-Glycosidase from Streptococcus pneumoniae
recombinant, expressed in E. coli, buffered aqueous solution
Synonym(s):
Endo-α-N-acetylgalactosaminidase, O-Glycanase
recombinant
expressed in E. coli
Quality Level
conjugate
(O-linked)
form
buffered aqueous solution
mol wt
180 kDa
concentration
≥800 units/mL
shipped in
wet ice
storage temp.
2-8°C
Related Categories
Biochem/physiol Actions
Releases unsubstituted Ser- and Thr-linked β-Gal-(1→3)-α-GalNAc (Core 1 type O-glycan) from glycoproteins. Substitutions of the disaccharide core with sialic acid, lactosamine (galactose-N-acetyl glucosamine), or fucose will block hydrolysis and prevent the liberation of the oligosaccharide from the protein. Pretreament with glycolytic enzymes to remove substituent saccharides from the O-glycan may be needed prior to cleavage using O-glycosidase..
Packaging
Supplied with 5× Reaction Buffer, 250 mM NaH2PO4 pH 5.0.
Physical form
Solution in 50 mM sodium phosphate, pH 7.5
Analysis Note
Screened for presence of: β-galactosidase, α-mannosidase, β-hexosaminidase, α-fucosidase, neuraminidase, and proteases. See Certificate of Analysis for lot specific information.
Other Notes
One unit will hydrolyze 1 μmole of p-nitrophenyl galacto-N-bioside (β-Gal-(1→3)-α-GalNAc-1→ΟC6H4NO2) per min at 37 °C at pH 6.5.
Storage Class Code
12 - Non Combustible Liquids
WGK
WGK 2
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Regulatory Information
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I Brockhausen
Biochimica et biophysica acta, 1473(1), 67-95 (1999-12-02)
Glycoproteins with O-glycosidically linked carbohydrate chains of complex structures and functions are found in secretions and on the cell surfaces of cancer cells. The structures of O-glycans are often unusual or abnormal in cancer, and greatly contribute to the phenotype
Roudabeh J Jamasbi et al.
Hybridoma and hybridomics, 22(6), 367-376 (2003-12-20)
A mouse monoclonal antibody (MAb-9) produced by immunization with a human esophageal carcinoma cell line, TE-2 (derived from undifferentiated squamous cell carcinoma) reacted specifically with about 30% of esophageal carcinoma cell lines and tissue sections from clinical samples. MAb-9 showed
Nelia A Tobey et al.
Digestive diseases and sciences, 55(7), 1856-1865 (2010-05-27)
The structures that contribute to shunt resistance (Rs) in esophageal epithelium are incompletely understood, with 35-40% of Rs known to be calcium-dependent, reflecting the role of e-cadherin. Two calcium-independent candidates for the remaining approximately 60% of Rs have been identified:
G H Carpenter et al.
Oral microbiology and immunology, 14(5), 309-315 (1999-11-07)
Interactions between salivary glycoproteins and many oral bacteria have been shown to depend on O-linked glycans on salivary glycoproteins. Basic proline-rich proteins form the largest group of proteins within human parotid saliva. In the present study human parotid salivary glycoproteins
H Yamini Shrivastava et al.
Journal of biomolecular structure & dynamics, 21(5), 671-680 (2004-02-11)
In the present study, the impact of chromium(III) complexes ([Cr(salen)(H2O)2](+) (1), [Cr(en)3]3+ (2) and [Cr(EDTA)(H2O)]- (3)) on the biophysical properties of mucin like specific viscosity, zeta potential and particle size has been investigated. It is evident from the present investigation
Articles
Learn about O-linked glycan strategies, O-glycosidase actions, how to remove sialic acid residues, β-Elimination, and O-glycan modifications.
Related Content
Datasheet
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