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BL02U1: the relocated macromolecular crystallography beamline at the Shanghai Synchrotron Radiation Facility

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Macromolecular crystallography beamline BL17U1 at the Shanghai Synchrotron Radiation Facility has been relocated, upgraded, and given a new ID (BL02U1). It now delivers X-rays in the energy range of 6–16 keV, with a focused beam of 11.6 µm × 4.8 µm and photon flux greater than 1012 phs/s. The high credibility and stability of the beam and good timing synchronization of the equipment significantly improve the experimental efficiency. Since June 2021, when it officially opened to users, over 4200 h of beamtime have been provided to over 200 research groups to collect data at the beamline. Its good performance and stable operation have led to the resolution of several structures based on data collected at the beamline.

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Data availability statement

The data that support the findings of this study are openly available in Science Data Bank at and


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We thank the staff of the department of beam engineering technology in SSRF for the engineering design and installation, as well as the financial support of the SSRF Phase-II project.

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Authors and Affiliations



All authors contributed to the study conception and design. Feng Yu and Qi-Sheng Wang contributed to the general study conception, financial support, and supervision of this study. Ke Liu contributed to the beamline design. Feng Yu contributed to the experimental station design. Qin Xu and Wei-Wei Wang contributed to the material preparation. Huan Zhou and Hua-Ting Kong contributed to the data collection and formal data analysis. Kun-Hao Zhang and Qiang-Yan Pan contributed to the diffractometer design. Min-Jun Li, Zhi-Jun Wang and Xing-Ya Wang reviewed the manuscript and gave many useful suggestions. The first draft of the manuscript was written by Ke Liu and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.

Corresponding authors

Correspondence to Feng Yu or Qi-Sheng Wang.

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The authors declare that they have no competing interests.

Additional information

This work was supported by the National Key Research and Development Program of China (No. 2021YFC2301405), the National Natural Science Foundation of China (No. 31971121), and Shanghai Science and Technology Plan Project (No. 21ZR14718).

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Liu, K., Zhou, H., Xu, Q. et al. BL02U1: the relocated macromolecular crystallography beamline at the Shanghai Synchrotron Radiation Facility. NUCL SCI TECH 34, 193 (2023).

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