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Volumn 122, Issue 13, 2000, Pages 2975-2980

Delineation and decomposition of energies involved in quaternary ammonium binding in the active site of acetylcholinesterase

Author keywords

[No Author keywords available]

Indexed keywords

ACETOPHENONE DERIVATIVE; ACETYLCHOLINESTERASE; ALANINE; PHENYLALANINE; QUATERNARY AMMONIUM DERIVATIVE; TRYPTOPHAN; TYROSINE;

EID: 0347314967     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja9933588     Document Type: Article
Times cited : (39)

References (40)
  • 1
    • 12944260363 scopus 로고    scopus 로고
    • note
    • Abbreviations used: AChE, acetylcholinesterase; Ala, alanine; ATCh, (acetylthio)choline; DTNB, 5,5′-dithiobis(2-nitrobenzoic acid); Glu, glutamic acid; MEPQ, 7-(methylethoxyphosphinyloxy)-N-methyl quinolinium iodide; MR, molar refractivity; Phe, phenylalanine; Ser, serine; TBTFA, m-tert-butyltrifluoroacetophenone; TMTFA, m-(N,N,N-trimethylammonio)trifluoroacetophenone; Trp, tryplophan; Tyr, tyrosine.
  • 4
    • 12944268673 scopus 로고    scopus 로고
    • note
    • -1, T = 298 K, and C is the catalytic acceleration. All free energy calculations in this paper utilize T = 298 K and 1 M standard states for all relevant species.
  • 9
  • 11
    • 0027217179 scopus 로고
    • Shafferman and co-workers have championed the view that cation-π interactions with Trp86 are important for molecular recognition by AChE of quaternary ammonium ligands: (a) Ordentlich, A.; Barak, D.; Kronman, C.; Flashner, Y.; Leitner, M.; Segall, Y.; Ariel, N.; Cohen, S.; Velan, B.; Shafferman, A. J. Biol. Chem. 1993, 268, 17083-17095. (b) Ordentlich, A.; Barak, D.; Kronman, C.; Ariel, N.; Segall, Y.; Velan, B.; Shafferman, A. J. Biol. Chem. 1995, 270, 2083-2091.
    • (1993) J. Biol. Chem. , vol.268 , pp. 17083-17095
    • Ordentlich, A.1    Barak, D.2    Kronman, C.3    Flashner, Y.4    Leitner, M.5    Segall, Y.6    Ariel, N.7    Cohen, S.8    Velan, B.9    Shafferman, A.10
  • 12
    • 0027217179 scopus 로고
    • Shafferman and co-workers have championed the view that cation-π interactions with Trp86 are important for molecular recognition by AChE of quaternary ammonium ligands: (a) Ordentlich, A.; Barak, D.; Kronman, C.; Flashner, Y.; Leitner, M.; Segall, Y.; Ariel, N.; Cohen, S.; Velan, B.; Shafferman, A. J. Biol. Chem. 1993, 268, 17083-17095. (b) Ordentlich, A.; Barak, D.; Kronman, C.; Ariel, N.; Segall, Y.; Velan, B.; Shafferman, A. J. Biol. Chem. 1995, 270, 2083-2091.
    • (1995) J. Biol. Chem. , vol.270 , pp. 2083-2091
    • Ordentlich, A.1    Barak, D.2    Kronman, C.3    Ariel, N.4    Segall, Y.5    Velan, B.6    Shafferman, A.7
  • 14
    • 12944305572 scopus 로고    scopus 로고
    • note
    • -2.
  • 16
    • 0011930746 scopus 로고
    • -2) for transfer of alkylbenzenes from aqueous medium to neat aromatic hydrocarbon phases, determined from solubility measurements: Herman, R. B. J. Phys. Chem. 1972, 76, 2754-2759.
    • (1972) J. Phys. Chem. , vol.76 , pp. 2754-2759
    • Herman, R.B.1
  • 17
  • 23
    • 12944257051 scopus 로고    scopus 로고
    • note
    • + with benzene and phenol, respectively. See ref 6c.
  • 32
    • 0023662562 scopus 로고
    • The structure-function analysis of sets of mutant enzymes by the use of linear free-energy relationships (LFERs) was pioneered by Alan Fersht: Fersht, A. R.; Leatherbarrow, R. J.; Wells, T. N. C. Biochemistry 1987, 26, 6030-6043.
    • (1987) Biochemistry , vol.26 , pp. 6030-6043
    • Fersht, A.R.1    Leatherbarrow, R.J.2    Wells, T.N.C.3


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.