Hi,

I am trying to simulate a system in which a protein will be pulled from a
distance and ultimately be put on a DPPC membrane system. I went through
Lemkul's tutorial on membrane and successfully simulated protein-membrane
systems before.

In this case, I put the protein in the required coordinates using editconf
(distant from the membrane). Whenever I'm running the inflategro script
(provided by Justin Lemkul in his webpage), the system breaks apart
(specifically the protein).

Please give me an idea how can I put the protein outside the membrane and
then pull it on the membrane.

To say about the protein, it is not usually considered a membrane
interacting protein. Some recent publications highlighted the activity of
the protein as it pulls away some of the membrane lipids after interacting.
Earlier, when I've simulated the protein in the membrane and put some weak
force on the protein to make it go away from the membrane, I have
successfully found the experimental results. Now, I want to put the protein
from outside the membrane (as the phenomenon takes place in the in vitro
system).

Thanks in advance,


Souparno Adhikary,
CHPC Lab,
Department of Microbiology,
University of Calcutta.
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