double precision ss_depth,ebr,d0cm,akcm,akth,akct,v1ss,v2ss,v3ss
      integer ns,nss,nfree,iss
      common /sbridge/ ss_depth,ebr,d0cm,akcm,akth,akct,v1ss,v2ss,v3ss,
     & ns,nss,nfree,iss(maxss)
      double precision dhpb,dhpb1,forcon
      integer ihpb,jhpb,nhpb,idssb,jdssb,ibecarb
      common /links/ dhpb(maxdim),dhpb1(maxdim),forcon(maxdim),
     & ihpb(maxdim),jhpb(maxdim),ibecarb(maxdim),nhpb
      double precision weidis
      common /restraints/ weidis
      integer link_start,link_end
      common /links_split/ link_start,link_end
      double precision Ht,dyn_ssbond_ij
      logical dyn_ss,dyn_ss_mask
      common /dyn_ssbond/ dyn_ssbond_ij(maxres,maxres),
     &  idssb(maxdim),jdssb(maxdim),
     &  Ht,dyn_ss,dyn_ss_mask(maxres)