The crystal structure of (N-(t-pentyloxycarbonyl)-L-prolyl)-L-alanylglycine.

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概要

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• The crystal structure of the title compound was determined by the X-ray method. The space group is P2<SUB>1</SUB>,with <I>a</I>=18.741(3), <I>b</I>=12.602(1), <I>c</I>=9.553(1) Å, β=118.46(2)°, and <I>Z</I>=4. The structure was determined successfully by the vector-space-search method, using a dimer structure of Boc–Pro–Val–Gly–OH as a rigid group. The final <I>R</I> value was 0.075 for 2025 non-zero reflections. Two independent molecules related by a pseudo twofold axis are linked by β-sheet-type hydrogen bonds. This kind of dimerization commonly occurs in all the Boc–Pro–X–Gly–OH peptides except Boc–Pro–Leu–Gly–OH. The packing similarity of these peptides is discussed.

• 公益社団法人 日本化学会の論文

著者

• Yamada Yasuyuki

  Department Of Agricultural Chemistry Faculty Of Agriculture Kyoto University

• Tanaka Isao

  Department Of Internal Medicine Suzuka Kaisei Hospital

• Ashida Tamaichi

  Department of Applied Chemistry and Department of Synthetic Chemistry, Faculty of Engineering, Nagoya University

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