[gmx-users] Bilayer + Peptide simulation.

[itai bloch]

Hi,

I have recently started to work with GROMACS.
I am trying to simulate a peptide in dppc bilayer taken from Prof.
Tieleman website (dppc64.pdb).
While trying to use grompp, the run stops in the middle with an error
message: Fatal error: Atomtype 'X' not found!.
I have browsed through the previous reports of such a problem, and
tried several solutions such as downloading the lipid.itp / dppc.itp
and the altered force fields parameters but it didn't help.

I will be very happy if you could help me with this setup.

Thank you very much,

Itai.