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논문 기본 정보

자료유형
학술대회자료
저자정보
Lee, Julian (Department of Bioinformatics and Life Science, Bioinformatics and Molecular Design Technology Innovation Center, and Computer Aided Molecular Design Research Center Soongsil University) Kim, Seung-Yeon (School of Computational Sciences, Korea Institute for Advanced Study) Joo, Kee-Hyoung (School of Computational Sciences, Korea Institute for Advanced Study) Kim, Il-Soo (School of Computational Sciences, Korea Institute for Advanced Study) Lee, Joo-Young (School of Computational Sciences, Korea Institute for Advanced Study)
저널정보
한국생물정보시스템생물학회 한국생물정보시스템생물학회 심포지엄 한국생물정보시스템생물학회 2004년도 The 3rd Annual Conference for The Korean Society for Bioinformatics Association of Asian Societies for Bioinformatics 2004 Symposium
발행연도
2004.1
수록면
250 - 261 (12page)

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A novel method for ab initio prediction of protein tertiary structures, PROFESY (PROFile Enumerating SYstem), is introduced. This method utilizes secondary structure prediction information and fragment assembly. The secondary structure prediction of proteins is performed with the PREDICT method which uses PSI-BLAST to generate profiles and a distance measure in the pattern space. In order to predict the tertiary structure of a protein sequence, we assemble fragments in the fragment library constructed as a byproduct of PREDICT. The tertiary structure is obtained by minimizing the potential energy using the conformational space annealing method which enables one to sample diverse low lying minima of the energy function. We apply PROFESY for prediction of some proteins with known structures, which shows good performances. We also participated in CASP5 and applied PROFESY to new fold targets for blind predictions. The results were quite promising, despite the fact that PROFESY was in its early stage of development. In particular, the PROFESY result is the best for the hardest target T0161.

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