Crystal and molecular structure of 6-0-acetylgrayanotoxin III |
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| Authors: | Mamoru Sato Yukiteru Katsube Masaaki Katai Jun' ichi Katakawa Tadahiro Tetsumi |
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| Institution: | (1) Institute for Protein Research, Osaka University, 3-2 Yamadaoka, 565 Suita, Osaka, Japan;(2) Department of Applied Chemistry, Osaka Institute of Technology, Omiya 5-16-1, Asahi-ku, 535 Osaka, Japan;(3) Facultyof Pharmaceutical Sciences, Setsunan University, 573-01 Hirakata, Osaka, Japan |
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| Abstract: | The crystal and molecular structure of a grayanotoxin III derivative, 6-0-acetylgrayanotoxin III is presented. The crystal is orthorhombic, space group P212121, witha=15.582(3),b=21.304(3),c=6.339(3)Å,V=2104(1) Å3
Z=4. The structure was solved by direct methods and refined by full matrix least-squares methods to a finalR=0.047 for 1763 independent reflections withF
0>3  (F
0) The molecule is based on a tetracyclic structure consisting of two five-membered, one six-membered, and one seven-membered ring with various conformations. |
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| Keywords: | Crystal and molecular structure grayanotoxin III derivative |
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