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Beamline 21-ID-E: Insertion Device Beamline

LS-CAT
Life Sciences

Description

Sector 21 uses canted undulators to provide two independent sources for four ID end stations: 21-ID-D, 21-ID-E, 21-ID-F, and 21-ID-G. All four stations can be used simultaneously and independently. The 21-ID-E station supports macromolecular crystallography, SAD, and MAD phasing around the selenium and bromine edges ONLY. All LS-CAT experimental stations are equipped with MD-2 diffractometers with state-of-the art features such as on-axis sample viewing with precision zoom, automatic sample alignment, omega/kappa/phi motions, and a tuned piezoelectric fast shutter. Additional capabilities include kappa offset, a full suite of data analysis tools for on-line data analysis, stable sample table with separate detector table allowing sample-to-detector distance changes without realignment, and sample centering (3-click or automatic).  

 

Supported Techniques

  • Macromolecular crystallography

Beamline Controls and Data Acquisition

MD-2 diffractometer software from EMBL (with LS-CAT developed extensions) for sample mounting, centering, beamline diagnostics, and data colection. VME EPICS/MEDM low-level interface, PMAC Turbo motion control, and Linus workstations for data collection and processing.

Detectors

  • Mar 300 CCD
  • Bruker-AXS XFlash 1001 SSD for fluorescence spectroscopy

Local Contacts

Name KEITH BRISTER
Phone 630.252.

Beamline Specs

Source

3.0 Undulator

Monochromator Type

Si(111)

Energy Range

12.6-12.8 keV

Resolution (ΔE/E)

2 x 10 -4

Flux (photons/sec)

5 x 1012 @12.7 keV

Beam Size (HxV)

Focused

80µm x 30µm

Monochromator Type

Si(111)

Energy Range

13.3-13.7 keV

Resolution (ΔE/E)

2 x 10 -4

Flux (photons/sec)

5 x 1012 @13.5 keV

Beam Size (HxV)

Focused

80µm x 30µm

For additional information see:
http://ls-cat.org/

Current Status:

Construction