A Database of Polysachharide 3D structures
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Diffraction Diagram
Fig.1 Fibre diffraction diagram of TEA 1-C2 taken in a cylindrical camera with radius 5.73 cm.
*Permission Pending for Diffraction Diagrams
Fig.2 Fibre diffraction diagram of TEA 3 taken in a cylindrical camera with radius 5.73 cm.
Amylose tri-O-ethyl (TEA3)
Linkage : alpha 1-4     alpha 1-6
Space Group : 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) = 15.36 - b (Å) = 12.18 - c (Å) = 15.48 - γ (°) = 90.00
Helix Type : 43 helix
Method(s) Used For Structure Determination : X-ray fibre diffraction and stereochemical analysis
Link to the Abstract : http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6TFF-42H949H-16T&_user=10&_coverDate=01%2F31%2F1979&_rdoc=1&_fmt=high&_orig=search&_origin=search&_sort=d&_docanchor=&view=c&_searchStrId=1620759612&_rerunOrigin=google&_acct=C000050221&_version=1&_urlVersion=0&_userid=10&md5=b77d2bf675370c2ec0242fee1d7ee3bd&searchtype=a
Reference : The crystal and molecular structure of tri-O-ethyl-amylose (TEA3) Bluhm,T.L. and Zugenmaier, P., 1979, Carbohydrate Research, 1979, 68, 15-21
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Unit amyloseTEA3_expanded