PolySacDb

RMDP17

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Fig.1 Diffraction pattern from a well oriented fiber of the sodium salt of RMDP17 kept at 75% relative humidity shows moderate polycrystallinity. The fiber is slightly tilted towards the incident X-ray beam (Cu K_α radiation, wavelength 1.5418 Å). The calcite ring corresponds to d-spacing 3.035 Å.

*Permission Pending for Diffraction Diagrams

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RMDP17

Linkage : beta 1-3, beta 1-4 alpha 1-6

Space Group : trigonal

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) = 17.60 - c (Å) = 28.70

Helix Type : threefold helix symmetry

Method(s) Used For Structure Determination : X-ray diffraction and computer-aided model building

Link to the Abstract : Molecular structure of the rhamsan-like exocellular polysaccharide RMDP17 from Sphingomonas paucimobilis

Reference :

Molecular structure of the rhamsan-like exocellular polysaccharide RMDP17 from Sphingomonas paucimobilis
Wen Bian, Rengaswami Chandrasekaran and Marguerite Rinaudo, Carbohydrate Research 2002, 337, 45-56

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RMDP17