Hyeongju Choi

Pohang University of Science and Technology

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About

Hyeongju Choi is a leading figure in macromolecular crystallography, with a primary focus on the development and operation of advanced synchrotron beamlines for structural biology. Her most significant contribution is the design and implementation of the BL-11C Micro-MX beamline at the Pohang Light Source II, a high-flux microfocus facility dedicated to solving the structures of micrometre-sized protein crystals. This work, published in 2021 and garnering 28 citations, has been instrumental in enabling researchers to study challenging biological targets that were previously inaccessible. By making BL-11C available to users since June 2017, Choi has directly facilitated a wide range of structural biology discoveries. Her expertise in beamline optics and instrumentation, particularly with in-vacuum undulators and tunable energy ranges (5.0–20 keV), has established her as a key contributor to the infrastructure of modern structural biology. Through her efforts, Choi has significantly enhanced the capabilities for high-throughput and microfocus crystallography, providing the scientific community with a powerful tool for investigating the molecular machinery of life.