PolySacDb

A Database of Polysachharide 3D structures

 
 
 
 

Polysaccharides For Experts

Pectic acid

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Diffraction Diagram

 

Fig.1 Fiber diffraction pattern of neutral sodium pectate.

*Permission Pending for Diffraction Diagrams

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  Pectic acid

Linkage : alpha 1-4     

Space Group : orthogonal P21

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) = 8.40 - b (Å) = 14.30 - c (Å) = 13.40

Helix Type : corrugated sheets in which alternate molecules have opposite sense

Method(s) Used For Structure Determination : X-ray diffraction

Link to the Abstract : http://www.ncbi.nlm.nih.gov/pubmed/7343679

Reference :

Conformation and interactions of pectins. I. X-ray diffraction analyses of sodium pectate in neutral and acidified forms
M. D. Walkinshaw and Struther Arnott, J Mol Biol. 1981, 153(4):1055-73

 

Download Structure

Unit          pectic-acid_expanded

 

 

 

 

 
   
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