ASTRO-FOLD 2.0: an Enhanced Framework for Protein Structure Prediction.
ASTRO-FOLD 2.0: an Enhanced Framework for Protein Structure Prediction.
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ASTRO-FOLD 2.0:蛋白质结构预测的增强框架。
DOI:
10.1002/aic.12669
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发表时间:
2012
期刊:
影响因子:
--
通讯作者:
Floudas,CA
中科院分区:
文献类型:
--
作者:
Subramani,A;Wei,Y;Floudas,CA
The three‐dimensional (3‐D) structure prediction of proteins, given their amino acid sequence, is addressed using the first principles–based approach ASTRO‐FOLD 2.0. The key features presented are: (1) Secondary structure prediction using a novel optimization‐based consensus approach, (2) β‐sheet topology prediction using mixed‐integer linear optimization (MILP), (3) Residue‐to‐residue contact prediction using a high‐resolution distance‐dependent force field and MILP formulation, (4) Tight dihedral angle and distance bound generation for loop residues using dihedral angle clustering and non‐linear optimization (NLP), (5) 3‐D structure prediction using deterministic global optimization, stochastic conformational space annealing, and the full‐atomistic ECEPP/3 potential, (6) Near‐native structure selection using a traveling salesman problem‐based clustering approach, ICON, and (7) Improved bound generation using chemical shifts of subsets of heavy atoms, generated by SPARTA and CS23D. Computational results of ASTRO‐FOLD 2.0 on 47 blind targets of the recently concluded CASP9 experiment are presented. © 2011 American Institute of Chemical Engineers AIChE J, 2012
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