The molecular electrostatic potential and steric accessibility of poly (dI.dC). Comparison with poly (dG.dC)
نویسندگان
چکیده
منابع مشابه
The molecular electrostatic potential and steric accessibility of A-DNA.
The molecular electrostatic potential and steric accessibility of A-DNA are computed for base sequences (dG.dC)n and (dA.dT)n. An interpretation of the results in terms of the structure of A-DNA is provided and differences with respect to other forms of DNA, namely B-DNA and Z-DNA, are discussed.
متن کاملThe molecular electrostatic potential and steric accessibility of poly (dA-dT). poly (dA-dT) in various conformations: B-DNA, D-DNA and 'alternating-B' DNA.
The influence of conformational changes on the molecular electrostatic potential and the steric accessibility of the double stranded polynucleotide poly (dA-dT). poly (dA-dT) are investigated by calculating these properties for three different conformations : B-DNA, D-DNA and alternating-B DNA.
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The paper presents the results of computation of the electrostatic potential and steric accessibility of the B-DNA self-complementary dodecamer CGCGAATTCGCG following the geometry of the recent single crystal structure of Dickerson et al. This structure shows significant variations from classical B-DNA; their influences on the calculated properties are discussed. The results are related to gene...
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A theoretical study of indices potentially useful for investigation of the reactivity of the recently discovered Z-DNA double helix is presented. The electrostatic potential minima and the steric accessibility of reactive sites are calculated. The effect of screening the phosphate groups by metal cations is investigated. The results are compared with those for the B-DNA double helix.
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ژورنال
عنوان ژورنال: Nucleic Acids Research
سال: 1981
ISSN: 0305-1048,1362-4962
DOI: 10.1093/nar/9.24.7041