source leaprc.ff03 source leaprc.gaff mods=loadamberparams /home/student/remya/227D/complex_setup/BGF.frcmod BGF=loadmol2 /home/student/remya/227D/complex_setup/BGF.mol2 complex=loadpdb /home/student/remya/227D/complex_setup/227d_dna_BGF.pdb saveamberparm complex /home/student/remya/227D/complex_setup/227d_complex.prmtop /home/student/remya/227D/complex_setup/227d_complex.inpcrd quit