High-resolution protein structure determination by serial femtosecond crystallography.
basic_science · Level V
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- Record sourced from PubMed, PMID 22653729.
- Also identified by DOI 10.1126/science.1217737 and PMC identifier 3788707.
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Abstract
Structure determination of proteins and other macromolecules has historically required the growth of high-quality crystals sufficiently large to diffract x-rays efficiently while withstanding radiation damage. We applied serial femtosecond crystallography (SFX) using an x-ray free-electron laser (XFEL) to obtain high-resolution structural information from microcrystals (less than 1 micrometer by 1 micrometer by 3 micrometers) of the well-characterized model protein lysozyme. The agreement with synchrotron data demonstrates the immediate relevance of SFX for analyzing the structure of the large group of difficult-to-crystallize molecules.
Medical subject headings
- Crystallography, X-Ray
- Protein Conformation