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ProGlyProt ID
BU243
Organism Information
Organism Name
Parabacteroides (Bacteroides) distasonis
Domain
Bacteria
Classification
Family: Porphyromonadaceae
Order: Bacteroidales
Class: Bacteroidia
Division or phylum: "Bacteroidetes"
 
 
Gene Information
Gene Name
dgpC
 
 
Protein Information
Protein Name
DgpC
Subcellular Location
Surface
Function
Most likely to be an S-layer glycoprotein as evidenced by its abundance, its similarity to known S-layers, its surface extraction and presence of an S-layer lattice on the organism.
 
 
Glycosylation Status
Glycosylation Type
Information currently not available with us.
Technique(s) used for Glycosylation Detection
Pro-Q Emerald 300 Glycoprotein staining and AAL (Aleuria aurantia lectin) affinity chromatography
 
 
Glycan Information
Glycan Annotation
Glycan represents 2.1% (wt/wt) of the molecule. It is composed almost entirely of xylose (89.6%). Glucose (6.9%), mannose (2.2%), and rhamnose (1.3%) are present in small amounts. 16 xylose residues and one or two glucose or other six-carbon sugar have been calculated per DgpC molecule. Glycosyl linkage analysis has shown that the xylose molecules are largely linked 1,2 and 1,4.
 
 
Literature
Reference(s)
1) Fletcher, C.M., Coyne, M.J., Bentley, D.L., Villa, O.F. and Comstock, L.E. (2007) Phase-variable expression of a family of glycoproteins imparts a dynamic surface to a symbiont in its human intestinal ecosystem. Proc Natl Acad Sci U S A, 104, 2413-2418. [PubMed: 17284602]
Additional Comments
Expression of Dgp glycoproteins is phase-variable in the normal environment of bacteria.
Year of Identification
2007
 
 
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