A Database of Polysachharide 3D structures
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Diffraction Diagram
Fig.1 X-ray diffraction diagrams of cellulose IV1. Fibre axis is vertical.
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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
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Unit cellulose-IV-1-cornerchain_unit