PolySacDb

A Database of Polysachharide 3D structures

 
 
 
 

Polysaccharides For Experts

Xanthan

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Diffraction Diagram

 

Fig.1 Diffraction pattern typical for both Xanthomonas campestrisand Xanthomonas phaseolipolysaccharides showing five-fold helical symmetry. The sharp Bragg reflection on the equator has a spacing of 1.9 nm.

*Permission Pending for Diffraction Diagrams

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  Xanthan

Linkage : beta 1-4      alpha 1-3

Space Group : -

Unit Cell Dimensions (a, b, c in Å and α, β, γ in °)

(No values are displayed if no information is available or the value is zero)

a (Å) = 29.00 - b (Å) = 24.90 - c (Å) = 47.00 - γ (°) = 90.00

Helix Type : -

Method(s) Used For Structure Determination : X-ray diffraction and computer-aided model building

Link to the Abstract : http://pubs.acs.org/doi/abs/10.1021/bk-1977-0045.ch007

Reference :

Xanthan Gum?Molecular Conformation and Interactions
Moorhouse, R., Walkinshaw, M.D. and Arnott, S., Acs. Symp. Ser. 1977, 45, 90-102

 

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Unit          xanthan_expanded

 

 

 

 

 
   
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