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NW12A X-ray Beamline for High-throughput Macromolecular Crystallography
NW12A is deigned for high-throughput MAD experiments with high-flux undulator beam and a rapid data acquisition system. Using double crystal monochromator cooled with liquid nitrogen, a wide energy range (6.5 - 17 keV) of the the monochromatic beam is available with fine energy resolution. A high-precision (SOC is less than 2 micron) sample axis allows experiments with micro-crystals. A robot for sample exchange will be installed to improve the efficiency of experiments.
SCHEMATIC VIEW OF AR-NW12A BEAMLINE



Area of Research
Macromolecular Crystallography
Light Source
In-vacuum Undulator (with taper option)
Optics
Collimating Mirror: 23.5 m Rhodium coated silicon single crystal (Flat shaped, 1000 mm (L) x 100 mm (W) x 70 mm (T) ) with 3.5 mrad glancing angle.
Monochromator: 25.4 m Numerical link type Si(111) double crystal monochromator, liquid nitrogen cooling.
Focusing mirror: 27.0 m Rhodium coated silicon single crystal (Troidal, 1000 mm (L) x 100 mm (W) x 60 mm (T) ) with 3.5 mrad glancing angle.
Photons at the Sample Position
Energy range: 0.70 - 1.9 Å
Energy resolution: 2 x 10-4
Photon Flux: 2 x 1011 @ 6.5 GeV, 40 mA, 1.0 Å
(0.2 x 0.2 mm slits)
Facilities in the Experimental Station
X-ray Detector: ADSC Quantum 210r
Detector size: 210 x 210 mm
Camera Distance: 60 - 600 mm
Vertical Offset: 0 - 100 mm
Cryocooling Device: Nitrogen gas flow (~95 K)
Fluorescence Detector: Si-PIN diode
Workstations and Software
Computers: 3 PC Workstations (Linux with CentOS5)
2 PC Windows (USB2.0, IEEE1394)
Available software for Image Processing: HKL2000
iMosflm
XDS
References
yet to be published ...
Contact Person
Leonard M.G. Chavas (KEK-PF)
Phone: +81-29-864-5642
PHS: +81-29-864-5200 (ext: 4901)
FAX: +81-298-64-2801
E-mail: leonard.chavas@kek.jp
Additional Information
Current photographs of AR-NW12A
Comparison with other PX beamlines in PF
Brief information and guide to use PF AR-NW12A
• PX beamlines at PF Japanese / English
• Beam-time schedules, beamline news, and more at the Structural Biology Research Center

Last modified : 2011-05-16