MX2: a high-flux undulator microfocus beamline serving both the chemical and macromolecular crystallography communities at the Australian Synchrotron

Author:

Aragão DavidORCID,Aishima Jun,Cherukuvada Hima,Clarken Robert,Clift Mark,Cowieson Nathan PhilipORCID,Ericsson Daniel Jesper,Gee Christine L.ORCID,Macedo Sofia,Mudie Nathan,Panjikar SantoshORCID,Price Jason Roy,Riboldi-Tunnicliffe AlanORCID,Rostan Robert,Williamson Rachel,Caradoc-Davies Thomas TudorORCID

Abstract

MX2 is an in-vacuum undulator-based crystallography beamline at the 3 GeV Australian Synchrotron. The beamline delivers hard X-rays in the energy range 4.8–21 keV to a focal spot of 22 × 12 µm FWHM (H × V). At 13 keV the flux at the sample is 3.4 × 1012 photons s−1. The beamline endstation allows robotic handling of cryogenic samplesviaan updated SSRL SAM robot. This beamline is ideal for weakly diffracting hard-to-crystallize proteins, virus particles, protein assemblies and nucleic acids as well as smaller molecules such as inorganic catalysts and organic drug molecules. The beamline is now mature and has enjoyed a full user program for the last nine years. This paper describes the beamline status, plans for its future and some recent scientific highlights.

Funder

National eResearch Collaboration Tools and Resources (NeCTAR) project (NeCTAR, n.d.).

Australian Cancer Research Foundation (ACRF)

Publisher

International Union of Crystallography (IUCr)

Subject

Instrumentation,Nuclear and High Energy Physics,Radiation

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