ターゲットタンパク研究プログラムで目指すX線構造解析の高度化：フォトンファクトリーにおける技術開発

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The Targeted Protein Research Program (TPRP) started in 2007 as a sequel of the Protein 3000 Project which lasted from 2002 to 2007. In the new project, four cores, Protein Production, Structure Analysis, Control of Protein Functions with Compounds, and Informatics, have been established as focus of methodology developments critical for functional and structural studies by the target protein research teams. Within the “Analysis Core” synchrotron radiation plays a pivotal role providing X-ray beams for structural analyses of the target proteins. The two large Japanese synchrotron radiation facilities, SPring-8 and Photon Factory (PF), along with three protein crystallography groups from Hokkaido, Kyoto and Osaka Universities have teamed up to develop two complementary micro-beam beamlines, one on each synchrotron site, and associated technologies for cutting edge structural biology research. At the PF, there are 5 operational beamlines which are equipped with state-of-the-art instrumentation for high-throughput protein crystallography experiments. Within the TPRP framework, the PF is developing a micro-focus beamline optimized for a lower energy single anomalous diffraction (SAD) experiment. This will be particularly useful for structure determination of difficult protein targets for which heavy atom derivatives or selenomethionine substitution does not work and other standard phasing methods fail to give structure solutions. This will augment the capabilities of the PF structural biology beamlines with similar look-and-feel experimental environments.

ターゲットタンパク研究プログラムで目指すX線構造解析の高度化：フォトンファクトリーにおける技術開発

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