PolySacDb

A Database of Polysachharide 3D structures

 
 
 
 

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Carrageenan Iota - Sodium Salt

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Diffraction Diagram

 

Fig.1 Diffraction pattern from a well oriented and polycrystalline fiber of sodium-carrageenan that is almost perpendicular to the incident X-ray beam.

*Permission Pending for Diffraction Diagrams

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  Carrageenan Iota - Sodium Salt

Linkage : beta 1-4      beta 1-3

Space Group : trigonal P32

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) = 24.02 - b (Å) = 24.02 - c (Å) = 12.93 - γ (°) = 120.00

Helix Type : half-staggered, parallel, three-fold, right-handed double-helix

Method(s) Used For Structure Determination : X-ray diffraction

Link to the Abstract : http://www.ncbi.nlm.nih.gov/pubmed/11578634

Reference :

Three-dimensional structure of the sodium salt of iota-carrageenan
Srinivas Janaswamy & Rengaswami Chandrasekaran, Carbohydrate Research 2001, 335, 181?194

 

Download Structure

Unit          carrageenan-iota-Na-salt_expanded

 

 

 

 

 
   
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