High-resolution comparative modeling with RosettaCM.
High-resolution comparative modeling with RosettaCM.
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DOI:
10.1016/j.str.2013.08.005
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发表时间:
2013-10-08
期刊:
影响因子:
--
通讯作者:
Baker D
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文献类型:
--
作者:
Song Y;DiMaio F;Wang RY;Kim D;Miles C;Brunette T;Thompson J;Baker D
We describe an improved method for comparative modeling, RosettaCM, which optimizes a physically realistic all-atom energy function over the conformational space defined by homologous structures. Given a set of sequence alignments, RosettaCM assembles topologies by recombining aligned segments in Cartesian-space and building unaligned regions de novo in torsion space. The junctions between segments are regularized using a loop-closure method combining fragment superposition with gradient-based minimization. The energies of the resulting models are optimized by all-atom refinement, and the most representative low energy model is selected. The CASP10 experiment suggests RosettaCM yields models with more accurate sidechain and backbone conformations than other methods when the sequence identity to the templates is greater than ∼15%.
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DOI:
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发表时间:
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期刊:
Science (New York, N.Y.)
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