PolySacDb

A Database of Polysachharide 3D structures

 
By A. Sarkar & S. Pérez
 
 
 

Polysaccharides For Experts

Cellulose IV1

 

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Diffraction Diagram

 

Fig.1 X-ray diffraction diagrams of cellulose IV1. Fibre axis is vertical.

*Permission Pending for Diffraction Diagrams

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Structures are best viewed using PyMol & Sybyl

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  Cellulose IV1

Linkage :       beta 1-4     

 

Space Group :       P1

 

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) =   8.03

b (Å) =   8.13

c (Å) =   10.34

 

γ (°) =   90.00

β (°) =   90.00

α (°) =   90.00

 

Helix Type :      

parallel two-fold helical, are marked by unequal rotational positions of the O(6) hydroxyl groups in adjacent residues, two chains

 

Method(s) Used For Structure Determination :      

X-ray diffraction and stereochemical model refinement

 

Link to the Abstract :      
 
http://rparticle.web-p.cisti.nrc.ca/rparticle/AbstractTemplateServlet?calyLang=eng&journal=cjc&volume=63&year=1985&issue=1&msno=v85-027

 

Reference :      

Packing analysis of carbohydrates and polysaccharides. 16. The crystal structures of celluloses IVI, and IVll
Eric, S . Gardiner and Anatole Sarko, Can. J . Chem. 1985, 63, 173

 

 

Download Structure

Unit          cellulose-IV-1-cornerchain_unit          cellulose-IV-1-2chains_expanded

 

 

 

 

 
   
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