PolySacDb

A Database of Polysachharide 3D structures

 
By A. Sarkar & S. Pérez
 
 
 

Polysaccharides For Experts

Amylose A(Revisit-2009)

 

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Diffraction Diagram

 

Fig.1 One quadrant of a typical X-ray diffraction diagram of a crystal obtained in 1 s during a 2° rotation. Inset: example of the intensity distribution across one of the diffraction spots (circled).

*Permission Pending for Diffraction Diagrams

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  Amylose A(Revisit-2009)

Linkage :       alpha 1-4     

 

Space Group :       monoclinic B2

 

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) =   20.83

b (Å) =   11.45

c (Å) =   10.58

 

γ (°) =   122.00

 

Helix Type :      

two intertwined 6-fold left-handed parallel double helices, packed in a parallel fashion and tightly nested into one another

 

Method(s) Used For Structure Determination :      

conventional X-ray structure determination techniques normally used for small molecules & synchrotron radiation microdiffraction data

 

Link to the Abstract :      
 
http://pubs.acs.org/doi/abs/10.1021/ma801789j

 

Reference :      

Crystal Structure of A-amylose: A Revisit from Synchrotron Microdiffraction Analysis of Single Crystals
D. Popov, A. Buléon, M. Burghammer, H. Chanzy, N. Montesanti, J.-L. Putaux, G. Potocki-Véron?se, and C. Riekel, Macromolecules 2009, 42 (4), 1167?1174

 

 

Download Structure

Unit          A-amylose_2009-popov_expanded          

 

 

 

 

 
   
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