Journal
JOURNAL OF CHEMICAL PHYSICS
Volume 126, Issue 10, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.2710270
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Sampling of small-scale and large-scale motions is important in various computational tasks, such as protein-protein docking and ligand binding. Here, we report further development and applications of the activation-relaxation technique for internal coordinate space trajectories (ARTIST). This method generates conformational moves of any complexity and size by identifying and crossing well-defined saddle points connecting energy minima. Simulations on two all-atom proteins and three protein complexes containing between 70 and 300 amino acids indicate that ARTIST opens the door to the full treatment of all degrees of freedom in dense systems such as protein-protein complexes. (c) 2007 American Institute of Physics.
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