Dear all, I wish to run a simulation of a membrane consisting of about 10 different lipids. Through the automated topology builder ( example <http://compbio.biosci.uq.edu.au/atb/download.py?molid=1556> ) I can obtain of each lipid a structure file in pdb format (it has one single molecule) and an .itp topology file. I want to make a random mix of these lipids with water and let it equilibrate over 300 us or so to let it assemble into a bilayer. My question is, how can I combine all these structures and topologies into one system that has X molecules of lipid A, Y molecules of lipid B, etc. I think genbox might have the answer for combining the sructures, but how? Also, if someone could point me towards a tutorial were they let a membrane form from a random distribution of a lipid with water that would be useful. The only GROMACS membrane tutorials that I can find always start with pre-equilibrated membranes of 128 DOPC molecules.
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