PolySacDb

Hyaluronate III Sodium

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Fig.1 Diffraction pattern from a three-fold sodium hyaluronate. The unit cell dimensions are a=b=11.70, c (fiber axis)= 28.50 and γ=120°. The meridional direction is vertical and the sample was tilted from a direction normal to the beam by 15°.

*Permission Pending for Diffraction Diagrams

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Hyaluronate III Sodium

Linkage : beta 1-3 beta 1-4

Space Group : 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) = 11.70 - b (Å) = 11.70 - c (Å) = 28.50 - γ (°) = 120.00

Helix Type : regular, left-handed 3-fold helix

Method(s) Used For Structure Determination : X-ray diffraction data and a quadratic approximation to non-bonded repulsion

Link to the Abstract : http://www.ncbi.nlm.nih.gov/pubmed/1206703

Reference :

Hyaluronic acid: structure of a fully extended 3-fold helical sodium salt and comparison with the less extended 4-fold helical forms
W. T. Winter, P. J. C. Smith and Structher Arnott, J. Mol. Biol. 1975, 99, 219-235

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Unit hyaluronate-III-Na_chain

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Hyaluronate III Sodium