double precision VSolvSphere,VSolvSphere_div,long_r_sidechain,
     & short_r_sidechain,fac_shield,grad_shield_side,grad_shield,
     & buff_shield            
       integer  ishield_list,shield_list,ees0plist
       common /shield/ VSolvSphere,VSolvSphere_div,buff_shield,
     & long_r_sidechain(ntyp),
     & short_r_sidechain(ntyp),fac_shield(maxres),
     & grad_shield_side(3,maxcont,-1:maxres),grad_shield(3,-1:maxres),
     &  grad_shield_loc(3,maxcont,-1:maxres),
     & ishield_list(maxres),shield_list(maxcont,maxres),
     & ees0plist(maxcont,maxres)