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Identification of Integrator-PP2A complex (INTAC), an RNA polymerase II phosphatase 期刊论文
Science, 2020
作者:  Hai Zheng;  Yilun Qi;  Shibin Hu;  Xuan Cao;  Congling Xu;  Zhinang Yin;  Xizi Chen;  Yan Li;  Weida Liu;  Jie Li;  Jiawei Wang;  Gang Wei;  Kaiwei Liang;  Fei Xavier Chen;  Yanhui Xu
收藏  |  浏览/下载:11/0  |  提交时间:2020/11/30
Characteristics of indoor and personal exposure to particulate organic compounds emitted from domestic solid fuel combustion in rural areas of northwest China 期刊论文
Atmospheric Research, 2020
作者:  Kailai He, Hongmei Xu, Rong Feng, Zhenxing Shen, ... Junji Cao
收藏  |  浏览/下载:6/0  |  提交时间:2020/08/18
Contrasting sources and processes of particulate species in haze days with low and high relative humidity in wintertime Beijing 期刊论文
Atmospheric Chemistry and Physics, 2020
作者:  Ru-Jin Huang, Yao He, Jing Duan, Yongjie Li, Qi Chen, Yan Zheng, Yang Chen, Weiwei Hu, Chunshui Lin, Haiyan Ni, Wenting Dai, Junji Cao, Yunfei Wu, Renjian Zhang, Wei Xu, Jurgita Ovadnevaite, Darius Ceburnis, Thorsten Hoffmann, and Colin D. O'Dowd
收藏  |  浏览/下载:14/0  |  提交时间:2020/08/09
Molecular characterization of firework-related urban aerosols using Fourier transform ion cyclotron resonance mass spectrometry 期刊论文
ATMOSPHERIC CHEMISTRY AND PHYSICS, 2020, 20 (11) : 6803-6820
作者:  Xie, Qiaorong;  Su, Sihui;  Chen, Shuang;  Xu, Yisheng;  Cao, Dong;  Chen, Jing;  Ren, Lujie;  Yue, Siyao;  Zhao, Wanyu;  Sun, Yele;  Wang, Zifa;  Tong, Haijie;  Su, Hang;  Cheng, Yafang;  Kawamura, Kimitaka;  Jiang, Guibin;  Liu, Cong-Qiang;  Fu, Pingqing
收藏  |  浏览/下载:15/0  |  提交时间:2020/06/16
Increase of High Molecular Weight Organosulfate With Intensifying Urban Air Pollution in the Megacity Beijing 期刊论文
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, 2020, 125 (10)
作者:  Xie, Qiaorong;  Li, Ying;  Yue, Siyao;  Su, Sihui;  Cao, Dong;  Xu, Yisheng;  Chen, Jing;  Tong, Haijie;  Su, Hang;  Cheng, Yafang;  Zhao, Wanyu;  Hu, Wei;  Wang, Zhe;  Yang, Ting;  Pan, Xiaole;  Sun, Yele;  Wang, Zifa;  Liu, Cong-Qiang;  Kawamura, Kimitaka;  Jiang, Guibin;  Shiraiwa, Manabu;  Fu, Pingqing
收藏  |  浏览/下载:18/0  |  提交时间:2020/07/02
Organic aerosol  Organosulfates  FT-ICR MS  Secondary organic aerosol  Volatile organic compounds  
Structure of the RNA-dependent RNA polymerase from COVID-19 virus 期刊论文
Science, 2020
作者:  Yan Gao;  Liming Yan;  Yucen Huang;  Fengjiang Liu;  Yao Zhao;  Lin Cao;  Tao Wang;  Qianqian Sun;  Zhenhua Ming;  Lianqi Zhang;  Ji Ge;  Litao Zheng;  Ying Zhang;  Haofeng Wang;  Yan Zhu;  Chen Zhu;  Tianyu Hu;  Tian Hua;  Bing Zhang;  Xiuna Yang;  Jun Li;  Haitao Yang;  Zhijie Liu;  Wenqing Xu;  Luke W. Guddat;  Quan Wang;  Zhiyong Lou;  Zihe Rao
收藏  |  浏览/下载:16/0  |  提交时间:2020/05/20
Molecular absorption and evolution mechanisms of PM2.5 brown carbon revealed by electrospray ionization ‐Fourier‐transform ion cyclotron resonance mass spectrometry during a severe winter pollution episode in Xi’an, China 期刊论文
Geophysical Research Letters, 2020
作者:  Yaling Zeng;  Zhenxing Shen;  Satoshi Takahama;  Leiming Zhang;  Tian Zhang;  Yali Lei;  Qian Zhang;  Hongmei Xu;  Yanli Ning;  Yu Huang;  Junji Cao;  ;  hn Rudolf
收藏  |  浏览/下载:8/0  |  提交时间:2020/05/13
PM2.5 Humic-like substances over Xi'an, China: Optical properties, chemical functional group, and source identification 期刊论文
ATMOSPHERIC RESEARCH, 2020, 234
作者:  Zhang, Tian;  Shen, Zhenxing;  Zhang, Leiming;  Tang, Zhuoyue;  Zhang, Qian;  Chen, Qingcai;  Lei, Yali;  Zeng, Yaling;  Xu, Hongmei;  Cao, Junji
收藏  |  浏览/下载:9/0  |  提交时间:2020/07/02
Humic-like substances  Optical properties  Chemical groups  Sources  
Evolutionary selection of biofilm-mediated extended phenotypes in Yersinia pestis in response to a fluctuating environment 期刊论文
NATURE COMMUNICATIONS, 2020, 11 (1)
作者:  Cui, Yujun;  Schmid, Boris, V;  Cao, Hanli;  Dai, Xiang;  Du, Zongmin;  Easterday, W. Ryan;  Fang, Haihong;  Guo, Chenyi;  Huang, Shanqian;  Liu, Wanbing;  Qi, Zhizhen;  Song, Yajun;  Tian, Huaiyu;  Wang, Min;  Wu, Yarong;  Xu, Bing;  Yang, Chao;  Yang, Jing;  Yang, Xianwei;  Zhang, Qingwen;  Jakobsen, Kjetill S.;  Zhang, Yujiang;  Stenseth, Nils Chr;  Yang, Ruifu
收藏  |  浏览/下载:15/0  |  提交时间:2020/05/13
Improved protein structure prediction using potentials from deep learning 期刊论文
NATURE, 2020, 577 (7792) : 706-+
作者:  Ma, Runze;  Cao, Duanyun;  Zhu, Chongqin;  Tian, Ye;  Peng, Jinbo;  Guo, Jing;  Chen, Ji;  Li, Xin-Zheng;  Francisco, Joseph S.;  Zeng, Xiao Cheng;  Xu, Li-Mei;  Wang, En-Ge;  Jiang, Ying
收藏  |  浏览/下载:143/0  |  提交时间:2020/07/03

Protein structure prediction can be used to determine the three-dimensional shape of a protein from its amino acid sequence(1). This problem is of fundamental importance as the structure of a protein largely determines its function(2)  however, protein structures can be difficult to determine experimentally. Considerable progress has recently been made by leveraging genetic information. It is possible to infer which amino acid residues are in contact by analysing covariation in homologous sequences, which aids in the prediction of protein structures(3). Here we show that we can train a neural network to make accurate predictions of the distances between pairs of residues, which convey more information about the structure than contact predictions. Using this information, we construct a potential of mean force(4) that can accurately describe the shape of a protein. We find that the resulting potential can be optimized by a simple gradient descent algorithm to generate structures without complex sampling procedures. The resulting system, named AlphaFold, achieves high accuracy, even for sequences with fewer homologous sequences. In the recent Critical Assessment of Protein Structure Prediction(5) (CASP13)-a blind assessment of the state of the field-AlphaFold created high-accuracy structures (with template modelling (TM) scores(6) of 0.7 or higher) for 24 out of 43 free modelling domains, whereas the next best method, which used sampling and contact information, achieved such accuracy for only 14 out of 43 domains. AlphaFold represents a considerable advance in protein-structure prediction. We expect this increased accuracy to enable insights into the function and malfunction of proteins, especially in cases for which no structures for homologous proteins have been experimentally determined(7).