PolySacDb

A Database of Polysachharide 3D structures

 
By A. Sarkar & S. Pérez
 
 
 

Polysaccharides For Experts

α 1→3-glucan

 

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Diffraction Diagram

 

Fig.1 The fibre X-ray diffraction pattern of (I→3)-α-D-glucan. The fibre axis is vertical and the calibration line is the d= 2.319 Å line of NaF.

*Permission Pending for Diffraction Diagrams

(Please right-click & view the image if it appears distorted here)

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Structures are best viewed using PyMol & Sybyl

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  α 1→3-glucan

Linkage :       alpha 1-3     

 

Space Group :       orthorhombic P212121

 

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) =   16.46

b (Å) =   9.55

c (Å) =   8.44

 

 

Helix Type :      

2/1 helix

 

Method(s) Used For Structure Determination :      

X-ray diffraction and stereochemical model refinement

 

Link to the Abstract :      
 
http://www.sciencedirect.com/science/article/pii/0141813081900210

 

Reference :      

Molecular and crystal structure of the regenerated form of (1→3)-a-D-glucan
Ogawa, K., Okamura, K. and Sarko, A. , International Journal of Biological Macromolecules 1981, 3(1), Pages 31?36

 

 

Download Structure

Unit          alpha-glucan_expanded

 

 

 

 

 
   
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