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Animation: a useful tool for protein molecular dynamicists, applied to hydrogen bonds in the active site of elastase
|Published in||Journal of Molecular Graphics. 1989, vol. 7, no. 4, p. 240-242|
|Abstract||Massive amounts of coordinate data result from molecular dynamics calculations. The animation program MDKINO is a simple but powerful tool for previewing or reviewing the results. In recent simulations of elastase, we have examined hydrogen bonding patterns, conformational changes involving shifts in ring positions and rotations of amino acid side chains, electric fields in interatomic space, and electric forces acting on chosen nuclei. Animation is also useful for checking on the stability of calculations in progress. Simple programming techniques achieve acceptable levels of animation with readily available hardware (PS330 or PS390 display with a serial interface to a laboratory VAX). In about half an hour, it is possible to make and watch a color stereo "movie" of a selected subsystem of a simulation (up to 1 000 frames of about 100 atoms each).|