Experimental phasing of serial femtosecond crystallography data

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Experimental phasing of serial femtosecond crystallography data

A synopsis of and prospects for de novo phasing using diffraction data collected at X-ray free-electron lasers are given.

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Native sulfur/chlorine SAD phasing for serial femtosecond crystallography

Serial femtosecond crystallography (SFX) allows structures to be determined with minimal radiation damage. However, phasing native crystals in SFX is not very common. Here, the structure determination of native lysozyme from single-wavelength anomalous diffraction (SAD) by utilizing the anomalous signal of sulfur and chlorine at a wavelength of 1.77 Å is successfully demonstrated. This sulfur S...

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Asymmetry in serial femtosecond crystallography data

Serial crystallography is an increasingly important approach to protein crystallography that exploits both X-ray free-electron laser (XFEL) and synchrotron radiation. Serial crystallography recovers complete X-ray diffraction data by processing and merging diffraction images from thousands of randomly oriented non-uniform microcrystals, of which all observations are partial Bragg reflections. R...

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Serial Femtosecond Crystallography

X-ray free-electron lasers produce brief flashes of X-rays that are of about a billion times higher peak brightness than achievable from storage ring sources. Such a tremendous jump in X-ray source capabilities, that came in 2009 when the Linac Coherent Light Source begun operations, was unprecedented in the history of X-ray science. Protein structure determination through the method of macromo...

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An isomorphous replacement method for efficient de novo phasing for serial femtosecond crystallography

Serial femtosecond crystallography (SFX) with X-ray free electron lasers (XFELs) holds great potential for structure determination of challenging proteins that are not amenable to producing large well diffracting crystals. Efficient de novo phasing methods are highly demanding and as such most SFX structures have been determined by molecular replacement methods. Here we employed single isomorph...

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ژورنال

عنوان ژورنال: IUCrJ

سال: 2017

ISSN: 2052-2525

DOI: 10.1107/s2052252517012167