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Phase retrieval in protein crystallography
Liu ZC(刘忠川); Xu R(许锐); 董宇辉;Liu, ZC; Xu, R; Dong, YH
2012
发表期刊ACTA CRYSTALLOGRAPHICA SECTION A
卷号68期号:2页码:256-265
摘要Solution of the phase problem is central to crystallographic structure determination. An oversampling method is proposed, based on the hybrid inputoutput algorithm (HIO) [Fienup (1982). Appl. Opt.21, 27582769], to retrieve the phases of reflections in crystallography. This method can extend low-resolution structures to higher resolution for structure determination of proteins without additional sample preparation. The method requires an envelope of the protein which divides a unit cell into the density region where the proteins are located and the non-density region occupied by solvents. After a few hundred to a few thousand iterations, the correct phases and density maps are recovered. The method has been used successfully in several cases to retrieve the phases from the experimental X-ray diffraction data and the envelopes of proteins constructed from structure files downloaded from the Protein Data Bank. It is hoped that this method will greatly facilitate the ab initio structure determination of proteins.
关键词phase problem oversampling protein envelope protein crystallography
学科领域Crystallography
DOI10.1107/S0108767311053815
收录类别SCI
WOS记录号WOS:000300678400009
引用统计
被引频次:13[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/223914
专题多学科研究中心
推荐引用方式
GB/T 7714
Liu ZC,Xu R,董宇辉;Liu, ZC,et al. Phase retrieval in protein crystallography[J]. ACTA CRYSTALLOGRAPHICA SECTION A,2012,68(2):256-265.
APA 刘忠川,许锐,董宇辉;Liu, ZC,Xu, R,&Dong, YH.(2012).Phase retrieval in protein crystallography.ACTA CRYSTALLOGRAPHICA SECTION A,68(2),256-265.
MLA 刘忠川,et al."Phase retrieval in protein crystallography".ACTA CRYSTALLOGRAPHICA SECTION A 68.2(2012):256-265.
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