The Macromolecular Crystallography Research Resource (PXRR) at the National Synchrotron Light Source (NSLS) operates six beamlines that are employed for research by about 160 outside research groups and half a dozen Brookhaven Lab groups. These scientists produce over 200 research publications in a typical year, and over 300 Protein Data Bank depositions in the last year. The PXRR have pioneered an active Mail-in program that involves active collaborations with about 15 outside research groups, and short collaborations or service projects with many more. This program has interacted with 90 groups in the last several years, and there have been about 25 PDB depositions and 15 publications from this program in each of the last four years. The PXRR performs research and development on apparatus, methods, and software to improve the technology for synchrotron-based macromolecular crystallography. Special emphasis during the coming cycle will be on development of detectors that will match the power and collimation of modern x-ray sources, use of micron-sized crystals, development of robotic cryogenic specimen handling, and simultaneous measurement of UV, Visible, or Raman IR spectra with x-ray diffraction. The PXRR staff will execute numerous small research programs, among other things to improve visualization of tiny specimens and improve cryogenic preservation of specimens. A long-term goal for the PXRR is to create a resource for macromolecular crystallography at NSLS-II, the new synchrotron light source that is being created at Brookhaven Lab during the next five to seven years. The objective will be to have several macromolecular crystallography beamlines in operation when NSLS-II begins operation. This project will involve direct cooperation with NSLS-II staff to develop a complete plan for such facilities, and then to begin to achieve that plan.

National Institute of Health (NIH)
National Institute of General Medical Sciences (NIGMS)
Biotechnology Resource Grants (P41)
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Special Emphasis Panel (ZRG1-BCMB-R (40))
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Swain, Amy L
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Brookhaven National Laboratory
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