PolySacDb

A Database of Polysachharide 3D structures

 
By A. Sarkar & S. Pérez
 
 
 

Polysaccharides For Experts

Xylan (β 1→4)

 

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Diffraction Diagram

 

Fig.1 Fiber diagram of xylan dihydrate, fiber axis vertical.

*Permission Pending for Diffraction Diagrams

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Structures are best viewed using PyMol & Sybyl

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  Xylan (β 1→4)

Linkage :       beta 1-4     

 

Space Group :       P3221

 

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) =   9.16

b (Å) =   9.16

c (Å) =   14.85

 

γ (°) =   120.00

 

Helix Type :      

Left-handed threefold screw helices

 

Method(s) Used For Structure Determination :      

X-ray fiber diffraction and computer-aided chain-packing methods

 

Link to the Abstract :      
 
http://www.nature.com/nature/journal/v232/n5305/abs/232046a0.html (Nature) http://onlinelibrary.wiley.com/doi/10.1002/bip.1972.360110703/abstract (BioPolymers)

 

Reference :      

Structure of ?,D (1→4') - Xylan Hydrate
Nieduszynski, I.A. and Marchessault, R.H., Nature 1971, 232, 46 - 47
Nieduszynski, I.A. and Marchessault, R.H., Biopolymers 1972, 11, 1335-1344

 

 

Download Structure

Unit          xylan1-4hydrate_expanded

 

 

 

 

 
   
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