HOMOLOGY AS A TOOL IN OPTIMIZATION PROBLEMS - STRUCTURE DETERMINATION OF 2D HETEROPOLYMERS

被引:13
作者
KEASAR, C
ELBER, R
机构
[1] HEBREW UNIV JERUSALEM, DEPT CHEM PHYS, FRITZ HABER RES CTR MOLEC DYNAM, IL-91904 JERUSALEM, ISRAEL
[2] HEBREW UNIV JERUSALEM, ISRAEL CTR STRUCT BIOL, IL-91904 JERUSALEM, ISRAEL
关键词
D O I
10.1021/j100029a038
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
A combination of two complementary approaches that are widely used to predict protein structure-homology and energy-based methods-is proposed. The algorithm is discussed in detail and is demonstrated to be a useful tool for optimization. The properties of the combination are exemplified on a simple model system: structural optimization of 2D heteropolymers on a square lattice. The algorithm is considerably more efficient than simulated annealing in the system studied. The relevance of the results of the protein folding problem is discussed.
引用
收藏
页码:11550 / 11556
页数:7
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