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27.14.4 Torsion Energy Minimum Test

The torsion energy minimum test is designed to check the code which finds torsion angle values to use when performing a sidechain degree of freedom in a conformational search, see Sidechain Degree of Freedom. In order to see the effect of this test, the CGEN debug variable, see Debug Command, must be set to 2 or larger. The SYMMETRY keyword specifies the rotational symmetry for the clump and defaults to 1. The SGRID keyword specifies the sidechain grid to use. A value of -1 means use the minimum energy periodicity. Positive values are interpreted as the grid in degrees. The default is -1.