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Volumn 126, Issue 8, 2004, Pages 2454-2463

Molecular Recognition and Fluorescence Sensing of Monophosphorylated Peptides in Aqueous Solution by Bis(zinc(II)-dipicolylamine)-Based Artificial Receptors

Author keywords

[No Author keywords available]

Indexed keywords

AMINES; CATALYSTS; FLUORESCENCE; NEGATIVE IONS; NUCLEAR MAGNETIC RESONANCE; SENSORS; STRUCTURAL ANALYSIS; TITRATION; X RAY ANALYSIS;

EID: 1542366681     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja038277x     Document Type: Article
Times cited : (343)

References (57)
  • 16
    • 0036177995 scopus 로고    scopus 로고
    • Artificial receptor and chemosensor for phosphate species that work in aqueous solution: (a) Aoki, S.; Kimura, E. Rev. Mol. Biotechnol. 2002, 90, 129.
    • (2002) Rev. Mol. Biotechnol. , vol.90 , pp. 129
    • Aoki, S.1    Kimura, E.2
  • 25
    • 1542349703 scopus 로고    scopus 로고
    • note
    • -1. These results indicate that the presence of the metal ions slightly suppresses the binding affinity because of the increase of ionic strength, but the sort of metal cation did not affect the binding constant. Almost the same trend was observed in the case of receptor 2.
  • 27
    • 1542349705 scopus 로고    scopus 로고
    • note
    • 1H NMR, ITC, and fluorescence titration conducted in aqueous medium.
  • 28
    • 0030954582 scopus 로고    scopus 로고
    • Such 1:3 coordination between an anionic phosphate with Zn(II) complexes has been also reported: Kimura, E.; Aoki, S.; Koike, T.; Shiro, M. J. Am. Chem. Soc. 1997, 119, 3068.
    • (1997) J. Am. Chem. Soc. , vol.119 , pp. 3068
    • Kimura, E.1    Aoki, S.2    Koike, T.3    Shiro, M.4
  • 36
    • 1542349710 scopus 로고    scopus 로고
    • note
    • 2O (0.1 mM), indicating that the present species is not monomeric but aggregates under such a high-concentration condition.
  • 42
    • 1542289513 scopus 로고    scopus 로고
    • note
    • -1 from a similar fluorescent titration experiment.
  • 43
    • 1542349712 scopus 로고    scopus 로고
    • note
    • Since the Zn(II) centers of the receptors have one accessible site even after phosphate binding (see Figure 3), the neighboring carboxylate groups of the anionic peptides may be involved in the coordination to the Zn(II) centers so as to enhance the second Zn(II) complexation more efficiently. This may be another plausible mechanism for the strong affinity and large fluorescence change toward the anionic peptides.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.