[gmx-users] beads in martini

[mohammad agha]

Dear Specialist Gromacs,

I want to compare properties of two micelles of different surfactants by MARTINI coarse-grained force field.
The difference of these surfactants is in their counterion, one of them has bromide (Br-) ion and another has Chloride (Cl-). I know that I should show this particles with type Qa but how should I consider differences of these ions in beads?
Please help me.

Best Regards
Sara
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