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Dermatan 4 sulphate III Na (Sodium dermatan 4-sulphate III) (allomorph III)

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Fig.1 Fiber diffraction patterns of sodium dermatan sulfate

(a)Orthorhombic form with meridional reflexions on l = 2n. (There are weak Bragg reflexions between the major layer-lines due to the presence of a second (uncharacterized) phase.)

*Permission Pending for Diffraction Diagrams

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Dermatan 4 sulphate III Na (Sodium dermatan 4-sulphate III) (allomorph III)

Linkage : beta 1-4 alpha 1-3

Space Group : allomorph III : orthorhombic P212121

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) = 11.51 - b (Å) = 10.65 - c (Å) = 18.78

Helix Type : allomorph III : archiral 21 helices of the third allomorph contain two antiparallel polymer molecules

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 dermatan21-allo3_expanded

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Dermatan 4 sulphate III Na (Sodium dermatan 4-sulphate III) (allomorph III)