Three-Dimensional Reconstruction of Icosahedral Virus by Symmetry-Adapted Functions  

作　　者：刘红荣 杨奇斌 程凌鹏 曾松军 蔡灿英 

机构地区：[1]Institute of Modern Physics, Xiangtan University, Xiangtan 411105 [2]School of Bioscience and Bioengineering, South China University of Technology, Guangzhou 510640

出　　处：《Chinese Physics Letters》2007年第6期1767-1770,共4页中国物理快报（英文版）

摘　　要：A three-dimensional （3D） reconstruction of icosahedral virus is carried out by the icosahedral symmetry-adapted function （ISAF） method in spherical coordinates. In order to reduce the influence of noise, it is better to use the basis functions that have identical symmetry with the object reconstructed. It is verified that the ISAF method has stronger ability to reduce the influence of noise to grain the resolution better than that of the conventional method by the simulation of 3D reconstruction.A three-dimensional （3D） reconstruction of icosahedral virus is carried out by the icosahedral symmetry-adapted function （ISAF） method in spherical coordinates. In order to reduce the influence of noise, it is better to use the basis functions that have identical symmetry with the object reconstructed. It is verified that the ISAF method has stronger ability to reduce the influence of noise to grain the resolution better than that of the conventional method by the simulation of 3D reconstruction.

关 键 词：ELECTRON CRYOMICROSCOPY CRYOELECTRON MICROSCOPY SUBNANOMETER RESOLUTION PARTICLES MICROGRAPHS PRINCIPLES LINE 

分 类 号：O4-39[理学—物理]