PolySacDb

A Database of Polysachharide 3D structures

 
By A. Sarkar & S. Pérez
 
 
 

Polysaccharides For Experts

Gellan Native K (Potassium Native Gellan) (Native Gellan-K )

 

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Diffraction Diagram

 

Fig.1 X-Ray diffraction pattern from a well oriented and polycrystalline fiber of the potassiumm salt of native gellan maintained at 75% relative humidity

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  Gellan Native K (Potassium Native Gellan) (Native Gellan-K )

Linkage :       alpha 1-3      beta 1-4

 

Space Group :       trigonal P31

 

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) =   16.47

b (Å) =   16.47

c (Å) =   28.42

 

γ (°) =   120.00

 

Helix Type :      

half-staggered, parallel, double helix

 

Method(s) Used For Structure Determination :      

X-ray diffraction

 

Link to the Abstract :      
 
http://www.ncbi.nlm.nih.gov/pubmed/1591755

 

Reference :      

Roles of potassium ions, acetyl and l-glyceryl groups in native gellan double helix: an X-ray study
Chandrasekaran, R., Radha, A. and Thailambal, V. G., Carbohydrate Research 1992, 1992, 24, 1-17

 

 

Download Structure

Unit          gellan-native-K_expanded

 

 

 

 

 
   
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