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Volumn 107, Issue 48, 2003, Pages 10406-10413

Effects of hydrogen bonding on the acidity of uracil

Author keywords

[No Author keywords available]

Indexed keywords

DNA GLYCOSYLASE; HYDROGEN BONDING INTERACTIONS; HYDROGEN FLUORIDE; URACIL;

EID: 0346947348     PISSN: 10895639     EISSN: None     Source Type: Journal    
DOI: 10.1021/jp035496w     Document Type: Article
Times cited : (56)

References (91)
  • 29
    • 0028604549 scopus 로고
    • For general reviews on the mechanisms of action of DNA glycosylases, see, for example: (a) Dodson, M. L.; Michaels, M. L.; Lloyd, R. S. J. Biol. Chem. 1994, 269, 32709-32712.
    • (1994) J. Biol. Chem. , vol.269 , pp. 32709-32712
    • Dodson, M.L.1    Michaels, M.L.2    Lloyd, R.S.3
  • 49
    • 0348010117 scopus 로고    scopus 로고
    • note
    • -1, respectively.
  • 75
    • 0346749262 scopus 로고    scopus 로고
    • note
    • We note that calculations suggest a proton adds to the O2 or O4 position of uracil in the molecular plane and that the proton will align in one of two directions at each site (for example, addition to the O2 position can be directed towards N1 or N3).
  • 77
    • 0346749260 scopus 로고    scopus 로고
    • note
    • We also note that in DNA the hydrogen at N1 is replaced by a sugar moiety. Therefore, the O2(N1) complex is not possible if interactions with DNA, such as those at the active site of uracil DNA glycosylase, are being considered, which is one of the driving forces for the present study. Furthermore, hydrogen bonding at O2(N1) will likely greatly stabilize the uracil (N1) anion due to direct interactions with N1 and thus prevent a fair comparison of the effects of hydrogen bonding at different tracil sites.
  • 87
    • 0348010113 scopus 로고    scopus 로고
    • note
    • -1).
  • 88
    • 0347379612 scopus 로고    scopus 로고
    • note
    • -1).
  • 89
    • 0346118671 scopus 로고    scopus 로고
    • note
    • We note that Zeegers-Huyskens et al. investigated the O2(N1) complex rather than the O4(C5) complex. It has been widely concluded that the strongest binding to uracil occurs at O2(N1).
  • 90
    • 0348010112 scopus 로고    scopus 로고
    • note
    • -1), which is likely due to competing interactions with the N3 hydrogen.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.