期刊
JOURNAL OF STRUCTURAL BIOLOGY
卷 168, 期 3, 页码 409-418出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jsb.2009.08.005
关键词
X-ray diffraction; Radiation damage; Protein crystallography; Langmuir-Blodgett nanotemplate
资金
- MIUR (Italian Ministry of Education, University and Research)
- MIUR to CIRSDNNOB of the University of Genova [RBIN04RXHS]
A detailed analysis of structural and intensity changes induced by X-ray radiation is presented for two types of proteinase K crystals: crystal grown by classical hanging drop method and those grown by Langmuir-Blodgett (LB) nanotemplate. The comparison of various parameters (e.g. intensity per sigma ratio, unit-cell volume, number of unique reflections, B-factors) and electron density maps as a function of radiation dose, demonstrates that crystals, grown by the LB nanotemplate method, appear to be more resistant against radiation damage than crystals grown by the classical hanging drop method. (C) 2009 Elsevier Inc. All rights reserved.
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