unanswered different head group beads of lipids

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1 year 4 months ago #9062 by shakira
different head group beads of lipids was created by shakira
Hi
I am modelling a cell membrane composition of a bacteria which includes PE, PG and PC lipids. I have to vary the composition of each of these head groups in a specific manner and see some experimentally reported change in the structural property of the membrane with the membrane being more stabilized in the presence of PC. But i observe similar results for all the three head groups. So I m wondering whether MARTINI takes in to account the accurate description of these three different head groups. Does the hydrogen bonding ability of PE lipids are included in the force field? Also which all atom models are considered for the CG filed comparison. I could not get any reference for the mapping files of these lipids. A quick response will be highly appreciated.

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