> Does anybody out there have nonbonded parameters for Ca++? It's not included
> in TOPPAR/param19.ion. Any response from you would be appreciated.
! eps sigma eps(1:4) sigma(1:4)
! (kcal/mol) (A)
! ---------------------------------------
NONBonded CA .0600 3.107 .0600 3.107
check out http://xplor.csb.yale.edu/tutorial/toppar/parameter.elements