Conformation of L-Tyrosine Studied by Fluorescence-Detected UV-UV and IR-UV Double-Resonance Spectroscopy
Journal of Physical Chemistry A 111 巻 17 号
3209-3215 頁
2007-05-03 発行
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| ファイル情報(添付) | |
| タイトル ( eng ) |
Conformation of L-Tyrosine Studied by Fluorescence-Detected UV-UV and IR-UV Double-Resonance Spectroscopy
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| 作成者 |
Kobayashi Yusuke
Ito Takafumi
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| 収録物名 |
Journal of Physical Chemistry A
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| 巻 | 111 |
| 号 | 17 |
| 開始ページ | 3209 |
| 終了ページ | 3215 |
| 抄録 |
The laser-induced fluorescence spectrum of jet-cooled L-tyrosine exhibits more than 20 vibronic bands in the 35450-35750 cm-1 region. We attribute these bands to eight conformers by using results of UV-UV hole-burning spectroscopy. These isomers are classified into four groups; each group consists of two rotational isomers that have a similar side-chain conformation but different orientations of the phenolic OH. The splitting of band origins of rotational isomers is 31, 21, 5, and 0 cm-1 for these groups. IR-UV spectra suggest that conformers belonging to two of the four groups have an intramolecular OH・・・N hydrogen bond between the COOH and NH2 groups. By comparing experimental and theoretical results of L-tyrosine with those of L-phenylalanine, we propose probable conformers of L-tyrosine.
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| 内容記述 |
This is a preprint of an article published by American Chemical Society in Journal of Physical Chemistry A, 2007, available online: http://pubs.acs.org/doi/abs/10.1021/jp070163a.
This study is supported by the Grant-in-Aids for Scientific Research (18205003 and 18685001) by the Ministry of Education, Science, Sports, and Culture, Japan. T.E. thanks the support of Satake foundation.
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| NDC分類 |
化学 [ 430 ]
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| 言語 |
英語
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| 資源タイプ | 学術雑誌論文 |
| 出版者 |
American Chemical Society
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| 発行日 | 2007-05-03 |
| 権利情報 |
Copyright (c) 2007 American Chemical Society
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| 出版タイプ | Author’s Original（十分な品質であるとして、著者から正式な査読に提出される版） |
| アクセス権 | オープンアクセス |
| 収録物識別子 |
[ISSN] 1089-5639
[DOI] 10.1021/jp070163a
[DOI] http://dx.doi.org/10.1021/jp070163a
～の異版である
[PMID] 17425294
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