[gmx-users] multiple dihedrals

[Jarmila Husby]

 Dear all,

Could you please advise me on how to convert a dihedral amber force-field parameter into amberport in Gromacs v 4.5? I have read the mailing list and the manual, so I understand Gmx 4.5 can deal with multiple entries per dihedral, using the type 9 function, instead of accumulating them into a single set of RB parameters.
But I do not know how to go about a dihedral with IDIVF number =3, and wild-cards used in the dihedral definition, such as: X - CI - OS - X    3   1.150    0.0   3.0
What would be the right set of entries for such a dihedral? All suggestions would be much appreciated.

Thank you, Jarmila

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