Is the growth rate of Protein Data Bank sufficient to solve the protein structure prediction problem using template-based modeling?
Is the growth rate of Protein Data Bank sufficient to solve the protein structure prediction problem using template-based modeling?
复制标题
蛋白质数据库的增长速度足以解决使用基于模板的建模的蛋白质结构预测问题吗?
DOI:
10.1515/bams-2014-0024
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发表时间:
2015
影响因子:
1.2
通讯作者:
Michal Brylinski
中科院分区:
文献类型:
--
作者:
Michal Brylinski
Abstract The Protein Data Bank (PDB) undergoes an exponential expansion in terms of the number of macromolecular structures deposited every year. A pivotal question is how this rapid growth of structural information improves the quality of three-dimensional models constructed by contemporary bioinformatics approaches. To address this problem, we performed a retrospective analysis of the structural coverage of a representative set of proteins using remote homology detected by COMPASS and HHpred. We show that the number of proteins whose structures can be confidently predicted increased during a 9-year period between 2005 and 2014 on account of the PDB growth alone. Nevertheless, this encouraging trend slowed down noticeably around the year 2008 and has yielded insignificant improvements ever since. At the current pace, it is unlikely that the protein structure prediction problem will be solved in the near future using existing template-based modeling techniques. Therefore, further advances in experimental structure determination, qualitatively better approaches in fold recognition, and more accurate template-free structure prediction methods are desperately needed.
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DOI:
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发表时间:
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影响因子:
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