To check membrane packing in membrane-bound proteins

GROMACS version: 5.0.1
GROMACS modification: Yes/No
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How to check if membrane in packing properly in Membrane protein simulations
I have tried analysis such as Membrane thickness, its density, deuterium order parameters. The protein concern here has bent helices so we want to find structural changes in lipid due to this.

Thanks in advance.

Sumedha