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Site specific incorporation of heavy atom-containing unnatural amino acids into proteins for structure determination

United States Patent

July 15, 2008
View the Complete Patent at the US Patent & Trademark Office
Translation systems and other compositions including orthogonal aminoacyl tRNA-synthetases that preferentially charge an orthogonal tRNA with an iodinated or brominated amino acid are provided. Nucleic acids encoding such synthetases are also described, as are methods and kits for producing proteins including heavy atom-containing amino acids, e.g., brominated or iodinated amino acids. Methods of determining the structure of a protein, e.g., a protein into which a heavy atom has been site-specifically incorporated through use of an orthogonal tRNA/aminoacyl tRNA-synthetase pair, are also described.
Xie; Jianming (San Diego, CA), Wang; Lei (San Diego, CA), Wu; Ning (Boston, MA), Schultz; Peter G. (La Jolla, CA)
The Scripps Research Institute (La Jolla, CA)
11/ 137,850
May 24, 2005
STATEMENT AS TO RIGHTS TO INVENTIONS MADE UNDER FEDERALLY SPONSORED RESEARCH AND DEVELOPMENT This invention was made with United States Government support from National Institutes of Health Grant Number GM62159 and grant number DE-FG02-03ER46051 from the Department of Energy. As such, the Government may have certain rights to the invention.