A Database of Polysachharide 3D structures
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Diffraction Diagram
Fig.1 X-ray fiber diffraction pattern of the 'dry' form of Curdlan, recorded with a flat-plate camera. The fiber axis is vertical.
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Curdlan III
Linkage : beta 1-5    
Space Group : P63
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) = 14.41 - b (Å) = 14.41 - c (Å) = 5.87 - γ (°) = 120.00
Helix Type : triple-stranded helix 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/ma60078a020
Reference : Triple-Helical Structure of(1→3)-?-D-Glucan Y. Deslandes, R. H. Marchessault, A. Sarko, Macromolecules 1980, 13(6), 1466-1471
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Unit curdlan-III_expanded