Gellan K (Potassium Gellan)

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  Gellan K (Potassium Gellan)

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) = 15.75 - b (Å) = 15.75 - c (Å) = 28.15 - γ (°) = 120.00

Helix Type : parallel, half-staggered, double helix in which each polysaccharide chain is a left-handed, 3-fold helix

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

Link to the Abstract : http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6TFF-431C9W3-H1&_user=10&_coverDate=10%2F01%2F1988&_rdoc=1&_fmt=high&_orig=search&_origin=search&_sort=d&_docanchor=&view=c&_searchStrId=1620768860&_rerunOrigin=google&_acct=C000050221&_version=1&_urlVersion=0&_userid=10&md5=d7a26ce34e7c29772aa28e17c746eb6e&searchtype=a

Reference :

Cation interactions in gellan: An x-ray study of the potassium salt
Chandrasekaran, R., Puigjaner, L.C., Joyce, K.L., Arnott, S., Carbohydrate Research 1988, 181, 23-40

 

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Unit          gellan-K_expanded