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BL-17A

BL-17A: Protein Micro-Crystallography and Low-Energy SAD Experiment Beamline
BL-17A is beamline for protein crystallographic experiments with a high brilliance beam derived from the short-gap undulator, aiming for micro-crystal structure analysis, in-situ data collection and structure determination using softer Xrays.
SCHEMATIC VIEW OF THE BEAMLINE
Area of Research
Macromolecular crystallography
Light Source
Short Gap Undulator
Periodic length : 16 mm
Periodic Number : 29
Maximum K value : 1.27
Optics
Mono-chromator 17.5 m Numerical link type Si(111) double crystal monochromator, liquid nitrogen cooling
Vertical Focusing Mirror 22.22 m Rhodium coated silicon single crystal (Flat shaped, 1000 mm (L) x 100 mm (W) x 50 mm (T) ) with 4.0 mrad glancing angle.
Horizontal Focusing Mirror 29.5 m Rhodium coated silicon single crystal (Flat shaped, 1000 mm (L) x 100 mm (W) x 40 mm (T) ) with 4.0 mrad glancing angle.
Photons at Sample Position
Energy range : 0.9 - 2.1 Å
Energy resolution : 2 x 10-4
Beam size: 0.02-0.04 x 0.016 mm
Photon flux : 3.1 x 1011 photons/sec (0.98 Å, 450 mA)
Facilities in the Experimental Station
X-ray Detector : Dectris Eiger X16M
Cryocooling device : CryoIndusty Co. G2B
Fluorescence detector : Amptek XR-100CR(Si-PIN)
Data processing and back-up environment
Computers:
4 Linux, 1 Windows
Software:
XDS, HKL2000, iMosflm
Reference
N. Igarashi, N. Matsugaki, Y. Yamada, M. Hiraki, A. Koyama, K. Hirano, T. Miyoshi and S. Wakatsuki, AIP Conf. Proc., 879, 812-815 (2007)
N. Igarashi, K. Ikuta, T. Miyoshi, N. Matsugaki, Y. Yamada, MS. Yousef and S. Wakatsuki, J. Synch. Rad., 15, 292-295 (2008)
Contact Person
Yusuke Yamada (KEK-PF)
Phone : +81-29i-864-5200 ext. 4738
Fax : +81-29-864-2801
e-mail : yusuke.yamada@kek.jp
Other Information
PX beamlines at PF
Structural Biology Research Center

Last modified: 2018-05-10

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