[gmx-users] Iusses while converting a POPE pdb with pdb2gmx and ff charmm27

[Leonhard Henkes]

One of my issues is now solved.
As you guessed, the PBD was in an improper format. 

After solving this small issues, I read about the need for an lipids.itp and pope.itp file. I found these tutorial (link below) for the itp file construction. Can I adept these steps for the construction of correct itp files for POPE lipids? In a last step , I would exchange all parameters with the right ones from a CHARMM FF.
Right now, I in fear of conduction terrible mistakes. Is there a much more common way to solve this task ? 

Thanks for your kind help,
M.Kalavera

Tutorial:
http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin/gmx-tutorials/membrane_protein/02_topology.html
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