PolySacDb

A Database of Polysachharide 3D structures

 
By A. Sarkar & S. Pérez
 
 
 

Polysaccharides For Experts

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

 

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Diffraction Diagram

 

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.)

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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

 

 

Download Structure

Unit          dermatan21-allo3_expanded

 

 

 

 

 
   
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