Revealing noncovalent interactions.
Revealing noncovalent interactions.
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DOI:
10.1021/ja100936w
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发表时间:
2010-05-12
影响因子:
15
通讯作者:
Yang W
中科院分区:
文献类型:
--
作者:
Johnson ER;Keinan S;Mori-Sánchez P;Contreras-García J;Cohen AJ;Yang W
Molecular structure does not easily identify the intricate non-covalent interactions that govern many areas of biology and chemistry, including design of new materials and drugs. We develop an approach to detect non-covalent interactions in real space, based on the electron density and its derivatives. Our approach reveals underlying chemistry that compliments the covalent structure. It provides a rich representation of van der Waals interactions, hydrogen bonds, and steric repulsion in small molecules, molecular complexes, and solids. Most importantly, the method, requiring only knowledge of the atomic coordinates, is efficient and applicable to large systems, such as proteins or DNA. Across these applications, a view of non-bonded interactions emerges as continuous surfaces rather than close contacts between atom pairs, offering rich insight into the design of new and improved ligands.
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