logFile leap.log source leaprc.ff99SB # --------------------------- END OF STANDARD HEADER ---------------------- system = loadpdb originalt.pdb bond system.3.SG system.18.SG bond system.12.SG system.24.SG bond system.17.SG system.31.SG bond system.37.SG system.41.SG saveamberparm system start.prmtop start.crd savepdb system start.pdb solvatebox system TIP3PBOX 10 Addions system Na+ 0 Addions system Cl- 0 saveamberparm system startPBC.prmtop startPBC.crd savepdb system startPBC.pdb quit