PolysacDB Exopolysaccharide xanthan 2562
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[edit] Carbohydrate Name
Exopolysaccharide xanthan
[edit] Carbohydrate Class
Miscellaneous
[edit] Source Microbe
Xanthomonas campestris pv. campestris 646
[edit] Basic Structure
It consists of a β1-->4 glucose polymer, i.e. a cellulose backbone, with β1-->3 substituted trisaccharide side-chains of (mannose-β1-->4 glucuronic acid-α-1-->2-mannose-β-1-->3)- on alternate glucose residues. The side-chain is variably acylated. The inner mannose may have an O-6 acetyl group and the terminal mannose a 4,6- bound pyruvate ketal
[edit] Proposed functions
The exopolysaccharide xanthan from Xanthomonas campestris is an interesting carbohydrate polymer, with striking rheological properties which make it useful as a food additive (gelling agent) and also as a potential vehicle in enhanced oil recovery
[edit] Antigenic Nature used to produce antibodies
Xanthan
[edit] Carrier Name
nil
[edit] Conjugation Method
nil
[edit] Antibodies
Mab D1
[edit] Antibody type and class
IgM
[edit] Assay System
ELISA
[edit] Cross-reactivity
This Mab was specific to Xanthan and did not cross-react with Cellulose
[edit] Proposed epitopes
The specificity was mainly against the side-chain of xanthan. This Mab was assumed to be directed against the nonsubstituted trisaccharide with the inner mannose-glucuronic acid being immunodominant
[edit] Proposed Utility
This Mab could be useful for structural studies, for detection purposes in commercial and agricultural settings, and for serological typing purposes
