Conformation of Poly[(1→3)-α-D-Maltotriose], a Major Part of the Elsinan Molecule, Studied by X-Ray Diffraction Coupled with Conformational Analysis
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概要
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The molecular conformation of elsinan, consisting of (1→3)-α-linked maltotriose and α-maltotetraose units, was studied by X-ray diffraction coupled with conformational analysis. The quality of the X-ray fiber pattern obtained from elsinan was very poor, but the layer line spacing (45Å), the probable presence of (005) reflection and a similar pattern with the powder pattern of a low molecular weight poly[(1→3)-α-maltotriose] segment (DP about 35) suggested that the poly[(1→3)-α-linked-α-maltotriose] segment (MTR part) of elsinan chain took a five-fold helical structure with an asymmetric unit of maltotriose. Conformational analysis for the five-fold helix of the MTR part pointed out that two left handed helices, -5/1 and -5/2, were energetically probable.
- 社団法人日本農芸化学会の論文
- 1993-08-23
著者
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Ogawa K
Department Of Citrus Research National Institute Of Fruit Tree Science
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OKAMURA Keizo
Department of Wood Science and Technology, Faculty of Agriculture, Kyoto University
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Misaki Akira
Faculty of Human Life Science, Osaka City University
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Ogawa Kazunori
Department Of Citrus Research National Institute Of Fruit Tree Science
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Okamura Keizo
Department Of Wood Science And Technology Faculty Of Agriculture Kyoto University
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Ogawa Kozo
Research Institute for Advanced Science and Technology, University of Osaka Prefecture
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Misaki A
Osaka City Univ. Osaka Jpn
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Okamura K
Mercian Corporation Central Research Laboratories
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Yui Toshifumi
Faculty Of Engineering Miyazaki University
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Yui Toshifumi
Department Of Industrial Chemistry Miyazaki University
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Yui Toshifumi
Department Of Applied Chemistry Faculty Of Engineering Miyazaki University
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Ogawa Kozo
Research Institute For Advanced Science And Technology University Of Osaka Prefecture
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Ogawa Kozo
Research Institute For Advanced Science And Technology (riast)
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Misaki Akira
Faculty Of Human Life Science Osaka City University
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