A Database of Polysachharide 3D structures
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Diffraction Diagram
Fig.1 Fiber diffraction patterns of sodium dermatan sulfate
(a)Tetragonal form with meridional reflections for l = 4n (n = 1, 2, 3, etc.).
*Permission Pending for Diffraction Diagrams
Dermatan 4 sulphate I Na (Sodium dermatan 4-sulphate I) (allomorph I)
Linkage : beta 1-4     alpha 1-3
Space Group : allomorph I : tetragonal P43212
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) = 12.67 - b (Å) = 12.67 - c (Å) = 73.53
Helix Type : allomorph I : right-handed 83 helical chains. Two such chains pack antiparallel in a tetragonal unit cell
Method(s) Used For Structure Determination : X-ray diffraction
Link to the Abstract : http://www.ncbi.nlm.nih.gov/pubmed/6631956
Reference : Dermatan sulfate: molecular conformations and interactions in the condensed state Mitra AK, Arnott S, Atkins ED, Isaac DH., J. Mol. Biol. 1983, 169(4), 873-901
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Unit dermatan83-allo1_expanded