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5C6I

Crystal Structure of Gadolinium derivative of HEWL solved using Free-Electron Laser radiation

Summary for 5C6I
Entry DOI10.2210/pdb5c6i/pdb
DescriptorLysozyme C, 10-((2R)-2-HYDROXYPROPYL)-1,4,7,10-TETRAAZACYCLODODECANE 1,4,7-TRIACETIC ACID, CHLORIDE ION, ... (5 entities in total)
Functional Keywordslysozyme, xfel, gadoteridol, hydrolase
Biological sourceGallus gallus (Chicken)
Total number of polymer chains1
Total formula weight15596.39
Authors
Primary citationGalli, L.,Son, S.K.,Barends, T.R.,White, T.A.,Barty, A.,Botha, S.,Boutet, S.,Caleman, C.,Doak, R.B.,Nanao, M.H.,Nass, K.,Shoeman, R.L.,Timneanu, N.,Santra, R.,Schlichting, I.,Chapman, H.N.
Towards phasing using high X-ray intensity.
Iucrj, 2:627-634, 2015
Cited by
PubMed Abstract: X-ray free-electron lasers (XFELs) show great promise for macromolecular structure determination from sub-micrometre-sized crystals, using the emerging method of serial femtosecond crystallography. The extreme brightness of the XFEL radiation can multiply ionize most, if not all, atoms in a protein, causing their scattering factors to change during the pulse, with a preferential 'bleaching' of heavy atoms. This paper investigates the effects of electronic damage on experimental data collected from a Gd derivative of lysozyme microcrystals at different X-ray intensities, and the degree of ionization of Gd atoms is quantified from phased difference Fourier maps. A pattern sorting scheme is proposed to maximize the ionization contrast and the way in which the local electronic damage can be used for a new experimental phasing method is discussed.
PubMed: 26594370
DOI: 10.1107/S2052252515014049
PDB entries with the same primary citation
Experimental method
X-RAY DIFFRACTION (1.9 Å)
Structure validation

226707

数据于2024-10-30公开中

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