The many faces of radiation-induced changes

During diffraction experiments even cryo-cooled protein crystals can be significantly damaged due to chemical and physical changes induced by absorbed X-ray photons. The character and scale of the observed effects depend strongly on the temperature and the composition of crystals. The absorption of...

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Veröffentlicht in:Journal of synchrotron radiation. - 1994. - 14(2007), Pt 1 vom: 01. Jan., Seite 24-33
1. Verfasser: Borek, Dominika (VerfasserIn)
Weitere Verfasser: Ginell, Stephan L, Cymborowski, Marcin, Minor, Wladek, Otwinowski, Zbyszek
Format: Aufsatz
Sprache:English
Veröffentlicht: 2007
Zugriff auf das übergeordnete Werk:Journal of synchrotron radiation
Schlagworte:Journal Article Research Support, N.I.H., Extramural Research Support, U.S. Gov't, Non-P.H.S. Proteins
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520 |a During diffraction experiments even cryo-cooled protein crystals can be significantly damaged due to chemical and physical changes induced by absorbed X-ray photons. The character and scale of the observed effects depend strongly on the temperature and the composition of crystals. The absorption of radiation energy results in incremental regular changes to the crystal structure, making its impact on the process of solving the structure strongly correlated with other experimental variables. An understanding of all the dependencies is still limited and does not allow for a precise prediction of the outcome of a particular diffraction experiment. Results are presented of diffraction experiments performed under different experimental conditions. The influence of temperature and crystal composition on different characteristics of radiation damage is analyzed. The observed effects are discussed in terms of their impact on data processing and phasing procedures 
650 4 |a Journal Article 
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650 4 |a Research Support, U.S. Gov't, Non-P.H.S. 
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700 1 |a Cymborowski, Marcin  |e verfasserin  |4 aut 
700 1 |a Minor, Wladek  |e verfasserin  |4 aut 
700 1 |a Otwinowski, Zbyszek  |e verfasserin  |4 aut 
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