PolySacDb

A Database of Polysachharide 3D structures

 
By A. Sarkar & S. Pérez
 
 
 

Polysaccharides For Experts

Curdlan II

 

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Diffraction Diagram

 

Fig.1 X-ray diffraction diagrams of curdlan hydrate.

*Permission Pending for Diffraction Diagrams

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Structures are best viewed using PyMol & Sybyl

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  Curdlan II

Linkage :       beta 1-4     

 

Space Group :       P1?(The probable space group is P1, but the three strands of the triplex are close to P3 symmetry)

 

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) =   15.56

b (Å) =   15.56

c (Å) =   18.78

 

γ (°) =   120.00

 

Helix Type :      

triplex of right-handed, sixfold helical chains in a hexagonal unit cell

 

Method(s) Used For Structure Determination :      

X-ray diffraction and stereochemical model refinement

 

Link to the Abstract :      
 
http://pubs.acs.org/doi/abs/10.1021/ma00242a020

 

Reference :      

Packing analysis of carbohydrates and polysaccharides. Part 14. Triple-helical crystalline structure of curdlan and paramylon hydrates
Chaw Teo Chuah, Anatole Sarko, Yves Deslandes, Robert H. Marchessault, Macromolecules 1983, 16(8), 1375-1382

 

 

Download Structure

Unit          curdlan2_3chains_expanded

 

 

 

 

 
   
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