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Restricted rotation about the exocyclic carbon-nitrogen bond in cytosine derivatives.

作者信息

Shoup R R, Miles H T, Becker E D

出版信息

J Phys Chem. 1972 Jan 6;76(1):64-70. doi: 10.1021/j100645a012.

DOI:10.1021/j100645a012
PMID:5007643
Abstract
摘要

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Barrier to rotation and conformation of the NB2 group in cytosine and its derivatives. Part I. Theoretical study of cytosine.胞嘧啶及其衍生物中NB2基团的旋转和构象障碍。第一部分。胞嘧啶的理论研究。
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Additive CHARMM force field for naturally occurring modified ribonucleotides.用于天然存在的修饰核糖核苷酸的加性CHARMM力场。
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Intermolecular 'cross-torque': the N4-cytosine propargyl residue is rotated to the 'CH'-edge as a result of Watson-Crick interaction.分子间“交叉扭矩”：由于沃森-克里克相互作用，N4-胞嘧啶炔丙基残基旋转至“CH”边缘。
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A cyclobutane thymine-N4-methylcytosine dimer is resistant to hydrolysis but strongly blocks DNA synthesis.
一个环丁烷胸腺嘧啶-N4-甲基胞嘧啶二聚体对水解具有抗性，但能强烈阻止 DNA 合成。
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The crystal structure of N4-methylcytosine.guanosine base-pairs in the synthetic hexanucleotide d(CGCGm4CG).合成六核苷酸d（CGCGm4CG）中N4-甲基胞嘧啶-鸟嘌呤碱基对的晶体结构
Nucleic Acids Res. 1993 Dec 11;21(24):5623-9. doi: 10.1093/nar/21.24.5623.
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Association by hydrogen bonding of mononucleotides in aqueous solution.水溶液中单核核苷酸通过氢键的缔合作用。
Proc Natl Acad Sci U S A. 1972 Aug;69(8):2025-9. doi: 10.1073/pnas.69.8.2025.
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Nucleic Acids Res. 1987 Mar 11;15(5):2191-201. doi: 10.1093/nar/15.5.2191.