PolySacDb

A Database of Polysachharide 3D structures

 
By A. Sarkar & S. Pérez
 
 
 

Polysaccharides For Experts

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

 

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Diffraction Diagram

 

Fig.1 Fiber diffraction patterns of sodium dermatan sulfate

(a)Trigonal form with meridional reflexions on l = 3n.

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

Linkage :       beta 1-4      alpha 1-3

 

Space Group :       allomorph II : trigonal P3221

 

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) =   14.60

b (Å) =   14.60

c (Å) =   28.23

 

 

Helix Type :      

allomorph II : 32 chains of the second allomorph contain two left-handed antiparallel polysaccharide 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          dermatan-32-allo2_expanded

 

 

 

 

 
   
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