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Title: Implementation and performance of SIBYLS: a dual endstation small-angle X-ray scattering and macromolecular crystallography beamline at the Advanced Light Source

Journal Article · · Journal of Applied Crystallography
 [1];  [1];  [2];  [1];  [3];  [1];  [1];  [1];  [1];  [4];  [3]
  1. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Physical Bioscience Division
  2. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Physical Bioscience Division; Univ. of California, San Francisco, CA (United States). Dept. of Biochemistry and Biophysics
  3. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Life Sciences Division
  4. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Engineering Division

The SIBYLS beamline (12.3.1) of the Advanced Light Source at Lawrence Berkeley National Laboratory, supported by the US Department of Energy and the National Institutes of Health, is optimized for both small-angle X-ray scattering (SAXS) and macromolecular crystallography (MX), making it unique among the world's mostly SAXS or MX dedicated beamlines. Since SIBYLS was commissioned, assessments of the limitations and advantages of a combined SAXS and MX beamline have suggested new strategies for integration and optimal data collection methods and have led to additional hardware and software enhancements. Features described include a dual mode monochromator [containing both Si(111) crystals and Mo/B4C multilayer elements], rapid beamline optics conversion between SAXS and MX modes, active beam stabilization, sample-loading robotics, and mail-in and remote data collection. These features allow users to gain valuable insights from both dynamic solution scattering and high-resolution atomic diffraction experiments performed at a single synchrotron beamline. Key practical issues considered for data collection and analysis include radiation damage, structural ensembles, alternative conformers and flexibility. SIBYLS develops and applies efficient combined MX and SAXS methods that deliver high-impact results by providing robust cost-effective routes to connect structures to biology and by performing experiments that aid beamline designs for next generation light sources.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES). Chemical Sciences, Geosciences & Biosciences Division
Grant/Contract Number:
AC02-05CH11231
OSTI ID:
1625650
Journal Information:
Journal of Applied Crystallography, Vol. 46, Issue 1; ISSN 0021-8898
Publisher:
International Union of CrystallographyCopyright Statement
Country of Publication:
United States
Language:
English

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