March 2008 Archives

The crystals server (an Apache Tomcat webapp) has been installed. The crystals webapp will allow you to upload an excel spreadsheet, containing a list of samples, to the SIBYLS beamline for use with DOMO. The spreadsheet will be automatically converted to an XML file and will become available to you via Blu-Ice once you start data collection. The webapp was developed at the SSRL and is in use at their Macromolecular Crystallography facility. If you have used the SAM robot at Stanford and uploaded your spreadsheet to their server then you will notice a distinct similarity.

As recently reported in the ALSNews:

“The veil has finally been lifted on an enzyme that is critical to the process of DNA transcription and replication and is a prime target of antibacterial and anticancer drugs. Researchers at Berkeley Lab and the University of California, Berkeley, have produced the first three-dimensional structural images of a DNA-bound type II topoisomerase (topo II) that is responsible for untangling coiled strands of the chromosome during cell division. Preventing topo II from disentangling a cell’s DNA is fatal to the cell, which is why drugs that target topo II serve as agents against bacterial infections and some forms of cancer. This first ever structural image of topo II should help in the development of future antibacterial and anticancer drugs that are even more effective and carry fewer potential side effects.”

The original publication in Nature can be found here: K.C. Dong and J.M. Berger, “Structural basis for Gate-DNA recognition and bending by type IIA topoisomerases,” Nature 250, 1201 (2007).

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