navigation bypass navigation contact us ring status schedules user guide links notices user sites people and policies jobs MicroWorlds publications meetings microscopes specifications About the ALS science highlights ALSNews home
 

 

 

Beamline 4.2.2

Multiple-Wavelength Anomalous Diffraction (MAD) and Monochromatic Protein Crystallography

Operational

2002

Source characteristics

Superbend

Energy range

6-18 keV

Monochromator

Double crystal

Calculated flux (1.9 GeV, 400 mA)

2.4 x 1011 photons/s at 12 keV

Resolving power (E/DE)

7000 with Si(111) crystals

Endstations

Minihutch

Detectors

Bruker Proteum 3-cm round lens-coupled CCD system

Spot size at sample (FWHM)

65 x 150 µm

Samples

Format

Single crystals of biological molecules

Preparation

Support labs available; most samples pre-frozen

Sample environment

Ambient or ~100 K

Special notes

Computers for data processing and analysis are available

Scientific applications

Molecular biology; multiple-wavelength anomalous diffraction (MAD), monochromatic protein crystallography

Contact

Name: Edwin Westbrook
Phone: (650) 841-7249
Fax: (312) 413-2952
Email: Edwin.Westbrook@mbc-als.org

Spokesperson

Name: Philip Matsumura
Affiliation: Molecular Biology Consortium and
University of Illinois at Chicago
Phone: (312) 996-2286
Fax: (312) 413-2952
Email: Philip.Matsumura@mbc-als.org

Table of all beamlines