integer modecalc,iscode,indpdb,indback,indphi,iranconf,icheckgrad,
     & inprint,i2ndstr,mucadyn,constr_dist,symetr
      logical minim,refstr,pdbref,outpdb,outmol2,overlapsc,energy_dec,
     &                 sideadd,lsecondary,read_cart,unres_pdb,
     &                 vdisulf,searchsc,lmuca,dccart,extconf,out1file,
     &                 gnorm_check,gradout,split_ene
      common /cntrl/ modecalc,iscode,indpdb,indback,indphi,iranconf,
     & icheckgrad,minim,i2ndstr,refstr,pdbref,outpdb,outmol2,iprint,
     & overlapsc,energy_dec,sideadd,lsecondary,read_cart,unres_pdb
     & ,vdisulf,searchsc,lmuca,dccart,mucadyn,extconf,out1file,
     & constr_dist,gnorm_check,gradout,split_ene,symetr
C... minim = .true. means DO minimization.
C... energy_dec = .true. means print energy decomposition matrix