double precision a0thet,athet,bthet,polthet,gthet,theta0,sig0,
     &  sigc0,dsc,dsc_inv,bsc,censc,gaussc,dsc0
      integer nlob
C Parameters of the virtual-bond-angle probability distribution
      common /thetas/ a0thet(ntyp),athet(2,ntyp),bthet(2,ntyp),
     &  polthet(0:3,ntyp),gthet(3,ntyp),theta0(ntyp),sig0(ntyp),
     &  sigc0(ntyp)
C Parameters of the side-chain probability distribution
      common /sclocal/ dsc(ntyp1),dsc_inv(ntyp1),bsc(maxlob,ntyp),
     &  censc(3,maxlob,ntyp),gaussc(3,3,maxlob,ntyp),dsc0(ntyp1),
     &    nlob(ntyp1)
C Parameters of ab initio-derived potential of virtual-bond-angle bending
      integer nthetyp,ntheterm,ntheterm2,ntheterm3,nsingle,ndouble,
     & ithetyp(ntyp1),nntheterm
      double precision aa0thet(maxthetyp1,maxthetyp1,maxthetyp1),
     & aathet(maxtheterm,maxthetyp1,maxthetyp1,maxthetyp1),
     & bbthet(maxsingle,maxtheterm2,maxthetyp1,maxthetyp1,maxthetyp1),
     & ccthet(maxsingle,maxtheterm2,maxthetyp1,maxthetyp1,maxthetyp1),
     & ddthet(maxsingle,maxtheterm2,maxthetyp1,maxthetyp1,maxthetyp1),
     & eethet(maxsingle,maxtheterm2,maxthetyp1,maxthetyp1,maxthetyp1),
     & ffthet(maxdouble,maxdouble,maxtheterm3,maxthetyp1,maxthetyp1,
     &  maxthetyp1),
     & ggthet(maxdouble,maxdouble,maxtheterm3,maxthetyp1,maxthetyp1,
     &  maxthetyp1)
      common /theta_abinitio/aa0thet,aathet,bbthet,ccthet,ddthet,eethet,
     &  ffthet,
     &  ggthet,ithetyp,nthetyp,ntheterm,ntheterm2,ntheterm3,nsingle,
     &  ndouble,nntheterm
C Virtual-bond lenghts
      double precision vbl,vblinv,vblinv2,vbl_cis,vbl0,vbld_inv
      integer loc_start,loc_end,ithet_start,ithet_end,
     &                 iphi_start,iphi_end
      common /peptbond/ vbl,vblinv,vblinv2,vbl_cis,vbl0
      common /indices/ loc_start,loc_end,ithet_start,ithet_end,
     &                 iphi_start,iphi_end
C Inverses of the actual virtual bond lengths
      common /invlen/ vbld_inv(maxres2)