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Infrared evidence for the α-helical-type structure of very simple N-octanoyl-L-glutamic acid oligomers (residue number, N = 1-4) and for the α-CO2- group effect on their α → β-like transition
https://nitech.repo.nii.ac.jp/records/4190
https://nitech.repo.nii.ac.jp/records/41908121449a-8e20-4f95-b833-48e23e8fd3f1
名前 / ファイル | ライセンス | アクション |
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J. CHEM. SOC. FARADAY TRANS., 1993, 89(15), 2743-2753 -Reproduced by permission of The Royal Society of Chemistry (RSC)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2012-11-06 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Infrared evidence for the α-helical-type structure of very simple N-octanoyl-L-glutamic acid oligomers (residue number, N = 1-4) and for the α-CO2- group effect on their α → β-like transition | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Uehara, Toshiyuki
× Uehara, Toshiyuki× Okabayashi, Hirofumi× Taga, Keijiro× Yoshida, Tadayoshi× Kojima, Hiroshi |
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著者別名 | ||||||
姓名 | 多賀, 圭次郎 | |||||
書誌情報 |
Journal of the Chemical Society. Faraday transactions. 巻 89, 号 15, p. 2743-2753, 発行日 1993-01-01 |
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出版者 | ||||||
出版者 | Royal Society of Chemistry | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 09565000 | |||||
書誌レコードID(NCID) | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10743481 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | http://dx.doi.org/10.1039/FT9938902743 | |||||
関連名称 | 10.1039/FT9938902743 | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Very simple N-octanoyl-L-glutamic acid oligomers (residue number, N = 1-4) have been synthesized and the vibrational spectra of these oligomer films, made by casting them from a dimethylformamide solution onto an NaCl plate, have been investigated together with their time dependence. The results have been compared with those of two β-forms (β1 and β2) and the α-helix of the longer N-octanoyl-L-glutamic acid oligomers (N = 6-14) and with those of poly(L-glutamic acid). Even the N-octanoyl monomer and the dimer as well as the trimer and the tetramer take up an α-helical-type structure, in which the hydrogen-bonding network formed by the α,γ-CO2H and the peptide groups are very similar to that in α-helical poly(L-glutamic acid). For the cast films of these simple oligomers, a transition similar to the α → β1 or α → β2 transition in poly(L-glutamic acid) is observed at 20°C. In particular, ionization of the α-CO2H groups in the cast films is promoted at a higher relative humidity. The α → β-like transition is promoted by the α-CO2- group so formed. | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | application/pdf |