Aqueous hydration of nucleic acid constituents: Monte Carlo computer simulation studies.

Aqueous hydration of nucleic acid constituents: Monte Carlo computer simulation studies.
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核酸成分的水合:蒙特卡罗计算机模拟研究。

DOI:
10.1080/07391102.1984.10507565
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发表时间:
1984
影响因子:
4.4
通讯作者:
Mezei,M
Mezei,M
中科院分区:
生物学3区
文献类型:
--
作者:
Beveridge,DL;Maye,PV;Jayaram,B;Ravishanker,G;Mezei,M

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用蒙特卡罗计算机模拟了胸腺嘧啶、胞嘧啶、尿嘧啶、腺嘌呤、鸟嘌呤、间扭式磷酸二甲基阴离子以及核糖和脱氧核糖衍生物的稀水溶液。根据接近准则对各分子的水合作用进行了准分量分布函数分析,并划分为疏水、亲水性和离子贡献。还介绍了所选水合物的彩色立体图。初步讨论了官能团配位数的可转移性。这些结果能够对当前与核酸水合作用有关的两个问题作出评论:a) Dickerson及其同事关于水在DNA a和B形式的相对稳定性中的作用的理论;B) Clementi对DNA片段水合作用的计算机模拟结果中出现的水桥和水丝的想法。
Monte Carlo computer simulations were performed on dilute aqueous solutions of thymine, cytosine, uracil, adenine, guanine, the dimethyl phosphate anion in the gauche-gauche conformation and a ribose and deoxyribose derivative. The aqueous hydration of each molecule was analysed in terms of quasi-component distribution functions based on the Proximity Criterion, and partitioned into hydrophobic, hydrophilic and ionic contributions. Color stereo views of selected hydration complexes are also presented. A preliminary discussion of the transferability of functional group coordination numbers is given. The results enable to comment on two current problems related to the hydration of nucleic acids: a) the theory of Dickerson and coworkers on the role of water in the relative stability of the A and B forms of DNA and b) the idea of water bridges and filaments emerging from the computer simulation results on the hydration of DNA fragments by Clementi.
DOI: 10.1007/978-1-349-04691-1
发表时间: 1981
影响因子: 3.1
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DOI: 10.1111/j.1749-6632.1981.tb50564.x
发表时间: 1981
影响因子: 5.2
作者:
D. Beveridge;M. Mezei;P. K. Mehrotra;F. Marchese;Vasu Thirumalai;Ganesan Ravi‐Shanker
通讯作者: Ganesan Ravi‐Shanker
DOI: 10.1021/ja00459a001
发表时间: 1977
影响因子: 15
作者:
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DOI: --
发表时间: 1980
期刊:
影响因子: --
作者:
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