The Monte Carlo simulation of the dynamics of complex molecules produces trajectories with a large number of different configurations to sample configuration space. It is expected that these configurations can be classified into a small number of conformations representing essential changes in the shape of the molecule. We present a method to visualize these conformations by point sets in the plane based on a geometrical distance measure between individual configurations. It turns out that different conformations appear as well-separated point sets. The method is further improved by performing a cluster analysis of the data set. The point-cluster representation is used to control a three-dimensional molecule viewer application to show individual configurations and conformational changes. The extraction of essential coordinates and visualization of molecular shape is discussed.
A kernel-based approach to molecular conformation analysis
Department of Mathematics and Computer Science, Freie Universität Berlin(柏林自由大学数学与计算机科学系);Zalando Research(Zalando研究公司);Zuse Institute Berlin(柏林策梅洛研究所)
Molecular geometry prediction using a deep generative graph neural network
Courant Institute of Mathematical Sciences, New York University(纽约大学库朗数学科学研究所);Center for Data Science, New York University(纽约大学数据科学中心);Sungkyunkwan University(成均馆大学);Facebook AI Research(Facebook人工智能研究院);Canadian Institute for Advanced Research(加拿大高等研究院)
Generative Coarse-Graining of Molecular Conformations
Massachusetts Institute of Technology(麻省理工学院);Mila - Québec AI Institute(米拉-魁北克人工智能研究所);Universite de Montréal(蒙特利尔大学);University of California San Diego(加州大学圣地亚哥分校);University of Amsterdam(阿姆斯特丹大学);HEC Montréal(蒙特利尔高等商学院);CIFAR AI Chair(加拿大高等研究院人工智能讲席)