Determining Optimal Coarse-Grained Representation for Biomolecules Using Internal Cluster Validation Indexes

© 2019 Wiley Periodicals, Inc.

Bibliographische Detailangaben
Veröffentlicht in:Journal of computational chemistry. - 1984. - 41(2020), 1 vom: 05. Jan., Seite 14-20
1. Verfasser: Wu, Zhenliang (VerfasserIn)
Weitere Verfasser: Zhang, Yuwei, Zhang, John Zenghui, Xia, Kelin, Xia, Fei
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2020
Zugriff auf das übergeordnete Werk:Journal of computational chemistry
Schlagworte:Journal Article Research Support, Non-U.S. Gov't CH index SC index coarse-graining internal cluster validation index optimal CG sites
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520 |a The development of ultracoarse-grained models for large biomolecules needs to derive the optimal number of coarse-grained (CG) sites to represent the targets. In this work, we propose to use the statistical internal cluster validation indexes to determine the optimal number of CG sites that are optimized based on the essential dynamics coarse-graining method. The calculated curves of Calinski-Harabasz and Silhouette Coefficient indexes exhibit the extrema corresponding to the similar CG numbers. The calculated ratios of the optimal CG numbers to the residue numbers of fine-grained models are in the range from 4 to 2. The comparison of the stability of index results indicates that Calinski-Harabasz index is the better choice to determine the optimal CG representation in coarse-graining. © 2019 Wiley Periodicals, Inc 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a CH index 
650 4 |a SC index 
650 4 |a coarse-graining 
650 4 |a internal cluster validation index 
650 4 |a optimal CG sites 
700 1 |a Zhang, Yuwei  |e verfasserin  |4 aut 
700 1 |a Zhang, John Zenghui  |e verfasserin  |4 aut 
700 1 |a Xia, Kelin  |e verfasserin  |4 aut 
700 1 |a Xia, Fei  |e verfasserin  |4 aut 
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