Diamond Light Source Ltd, Harwell Science and Innovation Campus 2 articles published in JoVE Biochemistry Crystallization and In Situ Room Temperature Data Collection Using the Crystallization Facility at Harwell and Beamline VMXi, Diamond Light Source James Sandy1, Halina Mikolajek1,2, Amy J. Thompson1, Juan Sanchez-Weatherby1, Michael A Hough1,2 1Diamond Light Source Ltd, Harwell Science and Innovation Campus, 2Research Complex at Harwell, Harwell Science and Innovation Campus We present a protocol for the crystallization of proteins using the crystallization facility in the Research Complex at Harwell and subsequent in situ X-ray crystallographic data collection from crystals within the plates at Diamond's Versatile Macromolecular Crystallography in situ (VMXi) beamline. We describe sample requirements, crystallization protocols, and data collection guidelines. Biology Cryo-Electron Tomography Remote Data Collection and Subtomogram Averaging Yuewen Sheng1, Kyle Morris1, Julika Radecke*1, Peijun Zhang*1,2,3 1Electron Bio-Imaging Centre, Diamond Light Source Ltd, Harwell Science & Innovation Campus, 2Division of Structural Biology, Wellcome Trust Centre for Human Genetics, University of Oxford, 3Chinese Academy of Medical Sciences Oxford Institute, University of Oxford The present protocol describes high-resolution cryo-electron tomography remote data acquisition using Tomo5 and subsequent data processing and subtomogram averaging using emClarity. Apoferritin is used as an example to illustrate detailed step-by-step processes to achieve a cryo-ET structure at 2.86 Å resolution.