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Volumn 48, Issue 32, 2009, Pages 5962-5965

Quantifying end-to-end conformational communication of chirality through an achiral peptide chain

Author keywords

Anisochronicity; Conformation analysis; Helicity; NMR spectroscopy; Peptides

Indexed keywords

ACHIRAL AMINO ACIDS; ANISOCHRONICITY; CHIRAL CENTERS; CONFORMATION ANALYSIS; HELICITY; NMR SPECTROSCOPY; PEPTIDE CHAIN;

EID: 70349925664     PISSN: 14337851     EISSN: None     Source Type: Journal    
DOI: 10.1002/anie.200901892     Document Type: Article
Times cited : (93)

References (45)
  • 21
    • 0035781183 scopus 로고    scopus 로고
    • For examples of helicity controlled from one terminus of nonpeptide structures, see; a T. Nakano, Y. Okamoto, Chem. Rev. 2001, 101, 4013;
    • For examples of helicity controlled from one terminus of nonpeptide structures, see; a) T. Nakano, Y. Okamoto, Chem. Rev. 2001, 101, 4013;
  • 25
    • 33748775187 scopus 로고    scopus 로고
    • Contrasting chromophores have been used to quantify helicity in different segments of a helical oligomer Ref, 8c, and the chain-length dependence of a CD signal has been used to estimate the degree of order in a polyisocyanate carrying a chiral terminator: G. Y. Nath, S. Samal, S.-Y. Park, C. N. Murthy, J.-S. Lee, Macromolecules 2006, 39, 5965
    • Contrasting chromophores have been used to quantify helicity in different segments of a helical oligomer (Ref. [8c]) and the chain-length dependence of a CD signal has been used to estimate the degree of order in a polyisocyanate carrying a chiral terminator: G. Y. Nath, S. Samal, S.-Y. Park, C. N. Murthy, J.-S. Lee, Macromolecules 2006, 39, 5965.
  • 26
    • 40149092410 scopus 로고    scopus 로고
    • Helices containing only achiral amino acids but which invert slowly on the NMR timescale would of course exhibit anisochronous signals, see; a N. Ousaka, T. Sato, R. Kuroda, J. Am. Chem. Soc. 2008, 130, 463;
    • Helices containing only achiral amino acids but which invert slowly on the NMR timescale would of course exhibit anisochronous signals, see; a) N. Ousaka, T. Sato, R. Kuroda, J. Am. Chem. Soc. 2008, 130, 463;
  • 28
    • 25144474487 scopus 로고    scopus 로고
    • Helix preference in structures of this type has been controlled by a single terminal residue, see; c
    • Helix preference in structures of this type has been controlled by a single terminal residue, see; c) J.-M. Léger, P. Guionneau, I. Huc, J. Am. Chem. Soc. 2005, 127, 12943.
    • (2005) J. Am. Chem. Soc , vol.127 , pp. 12943
    • Léger, J.-M.1    Guionneau, P.2    Huc, I.3
  • 29
    • 70349895191 scopus 로고    scopus 로고
    • The choice of Cbz-L-Phe as the helix controller was made after a brief survey of amino acids, in which this terminator performed exceptionally well, presumably because it maximizes the difference in stability between the two diastereomeric helices, and consequently the chemical-shift difference observed in the reporter
    • The choice of Cbz-L-Phe as the helix controller was made after a brief survey of amino acids, in which this terminator performed exceptionally well, presumably because it maximizes the difference in stability between the two diastereomeric helices, and consequently the chemical-shift difference observed in the reporter.
  • 30
    • 70349897315 scopus 로고    scopus 로고
    • 2OR analogues showed poor anisochronicity, perhaps due to freer bond rotation in the absence of a C-terminal hydrogen bond.
    • 2OR analogues showed poor anisochronicity, perhaps due to freer bond rotation in the absence of a C-terminal hydrogen bond.
  • 37
    • 70349897318 scopus 로고    scopus 로고
    • 3 were broad and concentration-dependent, suggesting aggregation in this solvent.
    • 3 were broad and concentration-dependent, suggesting aggregation in this solvent.
  • 38
    • 70349934385 scopus 로고    scopus 로고
    • Between -20 and - 50 °C, increased broadening of these singlets suggests that the rate of helix inversion approaches the slow-exchange regime only below -50°C; see ref. [4].
    • Between -20 and - 50 °C, increased broadening of these singlets suggests that the rate of helix inversion approaches the slow-exchange regime only below -50°C; see ref. [4].
  • 45
    • 61349093028 scopus 로고    scopus 로고
    • 4Gly is identical with that of 11-14; see Ref. [1b].
    • 4Gly is identical with that of 11-14; see Ref. [1b].


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.