A Database of Polysachharide 3D structures
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Diffraction Diagram
Fig.1 The diffraction pattern of potassium hyaluronate. Meridional reflections are seen on every 4th layer-line indicating a 4-fold helix.
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Hyaluronate II Potassium
Linkage : beta 1-3     beta 1-4
Space Group : tetragonal P43212
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) = 9.96 - b (Å) = 9.96 - c (Å) = 37.88
Helix Type : two anti-parallel, extended 4-fold helical chains
Method(s) Used For Structure Determination : X-ray diffraction
Link to the Abstract : http://www.ncbi.nlm.nih.gov/pubmed/6631953
Reference : Hyaluronic acid: molecular conformation and interactions in the tetragonal form of the potassium salt containing extended chains Mitra AK, Arnott S, Sheehan JK, J Mol Biol. 1983, 169(4), 813-27
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Unit hyaluronic-acid-2-K_expanded