integer nres,nsup,nstart_sup,nz_start,nz_end,iz_sc,
     &  nres0,nstart_seq,nchain,chain_length,chain_border,iprzes,
     &  ireschain,tabpermchain,npermchain,afmend,afmbeg
      double precision c,dc,dc_old,d_c_work,xloc,xrot,dc_norm,t,r,
     & prod,rt,dc_work,cref,crefjlee,dc_norm2,velAFMconst,
     & totTafm,chomo
      common /chain/ c(3,maxres2+2),dc(3,0:maxres2),dc_old(3,0:maxres2),
     & xloc(3,maxres),xrot(3,maxres),dc_norm(3,0:maxres2),
     & dc_norm2(3,0:maxres2),
     & dc_work(MAXRES6),nres,nres0
      common /rotmat/ t(3,3,maxres),r(3,3,maxres),prod(3,3,maxres),
     &                rt(3,3,maxres) 
      common /refstruct/ cref(3,maxres2+2),
     & crefjlee(3,maxres2+2),
     & nsup,nstart_sup,nstart_seq,iprzes,
     & chain_length(maxchain),npermchain,ireschain(maxres),
     & tabpermchain(maxchain,maxperm),
     & chain_border(2,maxchain),nchain
      common /from_zscore/ nz_start,nz_end,iz_sc
      double precision boxxsize,boxysize,boxzsize,enecut,sscut,
     & sss,sssgrad,
     & buflipbot, bufliptop,bordlipbot,bordliptop,lipbufthick,lipthick,
     & tubecenter,tubeR0,
     & buftubebot, buftubetop,bordtubebot,bordtubetop,tubebufthick     
      double precision forceAFMconst, distafminit
      common /box/  boxxsize,boxysize,boxzsize,enecut,sscut,sss,sssgrad,
     & buflipbot, bufliptop,bordlipbot,bordliptop,lipbufthick,lipthick
      common /afm/  forceAFMconst, distafminit,afmend,afmbeg,
     & velAFMconst,
     & totTafm
      common /tube/ tubecenter(3),tubeR0,
     & buftubebot, buftubetop,bordtubebot,bordtubetop,tubebufthick          
      common /chomo_models/ chomo(3,maxres2+2,max_template)