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Digitale Medien

Prototropic changes in cationic base-pair adducts. II. Guanine methylation (1992)

Ford, George P. ; Wang, Bingze

New York, NY : Wiley-Blackwell

International Journal of Quantum Chemistry 44 (1992), S. 605-618

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ISSN: 0020-7608

Schlagwort(e): Computational Chemistry and Molecular Modeling ; Atomic, Molecular and Optical Physics

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Chemie und Pharmazie

Notizen: AM1 calculations have been used to study the effects of CH3+ attachment on the structures, energies, and, in some cases, proton transfer reactions of guanine cytosine base pairs. Methylation of both the guanine 3- and O6-positions is predicted to lead to chemically significant concentrations of intermediate base pairs arising from proton transfer from the guanine 1- to the cytosine 3-position. The possible biological implications of such intermediates in nucleic acids is discussed in relation to the formation of either doubly abasic sites or abasic sites opposite potentially miscoding DNA lesions. © 1992 John Wiley & Sons, Inc.

Zusätzliches Material: 5 Ill.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/qua.560440416

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