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PXIII

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X06DA - PXIII : Macromolecular Crystallography

Latest news

X06DA (PXIII) will close on April 11, 2022 for a 1 year upgrade. 
Ongoing proposals will be moved to X06SA (PXI). 

A Versatile Beamline for Macromolecular Crystallography

X06DA (PXIII) is the third macromolecular crystallography beamline at the Swiss Light Source. It was funded by a partnership between the Paul Scherrer Institut and Swiss and international pharmaceutical companies. The beamline receives light from a 2.9 T superbend magnet. The optical design results in a sub 90 microns x 45 microns focused beam at the sample position with a total photon flux comparable to an undulator beamline. With both the PILATUS 2M-F detector and the multi-axis PRIGo goniometer, the setup is well suited for experimental phasing experiments, in particular native SAD. The experimental station offers both efficient manual mounting with a mini-hutch design and automatic robotic sample mounting. 

Beamline Characteristics

Wavelength range (Å) 0.71 - 2.25
Spectral range (keV) 5.5 - 17.5
Energy resolution 1.4 x 10-4
Flux at 12.4 keV at 400mA (ph/s) 5 x 1011
Focused spot size h x v (μm) 90 x 45
Detector PILATUS 2M-F
Endstation Mini-hutch (fast manual mounting), multi-axis PRIGo goniometer,
sample changer CATS

Beamline Features

A Phasing Beamline

  • Challenging structures solved by native SAD phasing, including both the large 266-kDa multiprotein/multiligand tubulin complex (Weinert et al, 2015, Nature Methods) and a 200-kDa Cas9–RNA–DNA complex (Olieric et al, 2016, ActaD)
  • Multi-orientation data collection with the PRIGo goniometer (Waltersperger et al, 2015, JSR)
  • Fast high multiplicity with PILATUS 2M-F detector
  • Advanced energy interleaved-MAD protocols (Finke et al, 2016, MiMB)

  • Rapid access for experimental phasing experiments possible, please contact the beamline staff directly


PILATUS 2M-F detector and the PRIGo goniometer (GIF: Paul Scherrer Institute/Markus Fischer)

A High-Troughput Beamline

  • Mini-hutch design enabling fast manual mounting
  • 30 second sample exchange time with CATS sample changer from Irelec
  • Wet-mounting with caps/vials from Molecular Dimensions

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Manual mounting and puck loading at beamline X06DA

 

 

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