{"title":"Sample delivery for structural biology at the European XFEL.","authors":"Katerina Dörner, Peter Smyth, Joachim Schulz","doi":"10.1016/bs.mie.2024.10.007","DOIUrl":null,"url":null,"abstract":"<p><p>Serial femtosecond crystallography (SFX) at X-ray free electron lasers (XFELs) is a valuable technique for time-resolved structural studies on enzymes. This method allows for the collection of high-resolution datasets of protein structures at various time points during a reaction initiated by light or mixing. Experiments are performed under non-cryogenic conditions and allow the collection of radiation damage free structures. At the European XFEL (EuXFEL), SFX experiments are mainly performed with liquid jets produced by gas dynamic virtual nozzles (GDVNs) and less frequent with a high viscous extruder (HVE). In this chapter we describe these delivery methods, with the focus on GDVNs. Instrumentation, sample requirements, and preparation steps for SFX beamtimes are discussed. Other sample delivery methods available at the EuXFEL are briefly introduced at the end of this chapter.</p>","PeriodicalId":18662,"journal":{"name":"Methods in enzymology","volume":"709 ","pages":"105-129"},"PeriodicalIF":0.0000,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Methods in enzymology","FirstCategoryId":"99","ListUrlMain":"https://doi.org/10.1016/bs.mie.2024.10.007","RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2024/10/22 0:00:00","PubModel":"Epub","JCR":"Q3","JCRName":"Biochemistry, Genetics and Molecular Biology","Score":null,"Total":0}
引用次数: 0
Abstract
Serial femtosecond crystallography (SFX) at X-ray free electron lasers (XFELs) is a valuable technique for time-resolved structural studies on enzymes. This method allows for the collection of high-resolution datasets of protein structures at various time points during a reaction initiated by light or mixing. Experiments are performed under non-cryogenic conditions and allow the collection of radiation damage free structures. At the European XFEL (EuXFEL), SFX experiments are mainly performed with liquid jets produced by gas dynamic virtual nozzles (GDVNs) and less frequent with a high viscous extruder (HVE). In this chapter we describe these delivery methods, with the focus on GDVNs. Instrumentation, sample requirements, and preparation steps for SFX beamtimes are discussed. Other sample delivery methods available at the EuXFEL are briefly introduced at the end of this chapter.
期刊介绍：
The critically acclaimed laboratory standard for almost 50 years, Methods in Enzymology is one of the most highly respected publications in the field of biochemistry. Each volume is eagerly awaited, frequently consulted, and praised by researchers and reviewers alike. Now with over 500 volumes the series contains much material still relevant today and is truly an essential publication for researchers in all fields of life sciences, including microbiology, biochemistry, cancer research and genetics-just to name a few. Five of the 2013 Nobel Laureates have edited or contributed to volumes of MIE.
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