Remarks cad_xplor_minim_inp.txt Remarks Created by XPLO2D V. 050802/3.3.2 at Fri Feb 29 04:32:07 2008 for A. Nonymous Remarks Auto-generated by XPLO2D from file cad_exp.pdb Remarks Energy-minimisation input file for residue type CAD topology ! @tophcsdx.pro @cad_xplor_top.txt end parameters ! @parhcsdx.pro @cad_xplor_par.txt nbonds atom cdie shift eps=8.0 e14fac=0.4 cutnb=7.5 ctonnb=6.0 ctofnb=6.5 nbxmod=5 vswitch end remark dielectric constant eps set to 8.0 end flags exclude elec ? end segment name=" " chain coordinates @cad_clean.pdb end end coordinates @cad_clean.pdb ! Remarks Build hydrogens (if any) ! hbuild ! selection = (hydrogen and not known) ! phistep=45 ! end Remarks DELETE hydrogens and unknown atoms delete selection = (hydrogen or (not known)) end ! Remarks If you want to shake up the coordinates a bit ... ! do (x=x+rand(0.1)-0.05) (all) ! do (y=y+rand(0.1)-0.05) (all) ! do (z=z+rand(0.1)-0.05) (all) print threshold=0.02 bonds print threshold=3.0 angles print threshold=3.0 dihedrals print threshold=3.0 impropers Remarks Do Powell energy minimisation minimise powell nstep=250 drop=40.0 end write coordinates output=cad_min.pdb end write structure output=cad.psf end ! constraints interaction (not hydro) (not hydro) end print threshold=0.02 bonds print threshold=3.0 angles print threshold=3.0 dihedrals print threshold=3.0 impropers flags exclude * include vdw end energy end distance from=(not hydro) to=(not hydro) cutoff=2.6 end stop