Regulation of one-electron oxidation rate of guanine and hole transfer rate in DNA through hydrogen bonding

Tetrahedron Letters

Volumn 43, Issue 45, 2002, Pages 8083-8085

  Kawai, Kiyohiko ^a   Takada, Tadao ^a   Tojo, Sachiko ^a   Majima, Tetsuro ^a  

^a OSAKA UNIVERSITY   (Japan)

Author keywords

DNA; Hole transfer; Hydrogen bonding; One electron oxidation

Indexed keywords

8 HYDROXYGUANINE; BROMINE DERIVATIVE; DNA; METHYL GROUP;

ARTICLE; BASE PAIRING; CHEMICAL STRUCTURE; ELECTRON; FLUORESCENCE; HYDROGEN BOND; OXIDATION REDUCTION POTENTIAL;

EID: 0037020646     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-4039(02)01949-4     Document Type: Article

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18. . For comparison, differences between the oxidation potentials of G in the G and GG sequences is about 0.05 V. See: Lewis F.D., Liu X.Y., Liu J.Q., Hayes R.T., Wasielewski M.R. J. Am. Chem. Soc. 122:2000;12037.
19. . Not only the hole transfer rate but also the hole trapping rate determines the oxidation site of DNA. Nakatani K., Dohno C., Saito I. J. Am. Chem. Soc. 123:2001;9681. (however, there is no direct measurement of the hole trapping rate of G or G in the GG, and GGG sequences in DNA).
20. . Regulation of the hole transfer rate by hydrogen bonding to protein was recently reported. See: Nakatani K., Dohno C., Ogawa A., Saito I. Chem. Biol. 9:2002;361.