A predicted model-aided reconstruction algorithm for X-ray free-electron laser single-particle imaging

被引：1
|
作者：
Jiao, Zhichao [1 ,3 ]
He, Yao [4 ]
Fu, Xingke [1 ,3 ]
Zhang, Xin [5 ]
Geng, Zhi [2 ,3 ]
Ding, Wei [1 ,3 ]
机构：
[1] Chinese Acad Sci, Inst Phys, Lab Soft Matter Phys, Beijing 100190, Peoples R China
[2] Chinese Acad Sci, Inst High Energy Phys, Beijing Synchrotron Radiat Facil, Beijing 100049, Peoples R China
[3] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
[4] New York Univ Abu Dhabi, Abu Dhabi, U Arab Emirates
[5] Univ Hong Kong, Hong Kong, Peoples R China
来源：
IUCRJ | 2024年 / 11卷
基金：
美国国家卫生研究院; 中国国家自然科学基金;
关键词：
single-particle imaging; X-ray free-electron; lasers; 3D reconstruction; phase problem; protein structures; single particles; molecular orientation determination; XFELs; ATOMIC-STRUCTURE; PHASE RETRIEVAL; RESOLUTION; DYNAMICS; CRYSTALLOGRAPHY; CLASSIFICATION; IMPLEMENTATION; ORIENTATION; REFINEMENT; CRYSTALS;
D O I：
10.1107/S2052252524004858
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Ultra-intense, ultra-fast X-ray free-electron lasers (XFELs) enable the imaging of single protein molecules under ambient temperature and pressure. A crucial aspect of structure reconstruction involves determining the relative orientations of each diffraction pattern and recovering the missing phase information. In this paper, we introduce a predicted model-aided algorithm for orientation determination and phase retrieval, which has been tested on various simulated datasets and has shown significant improvements in the success rate, accuracy and efficiency of XFEL data reconstruction.
引用
收藏
页码：602 / 619
页数：18
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