1,2-Dioleoyl-sn-glycerophosphatidylcholine	DOPC
2,3-Dioleyloxy-propyl-trimetylammonium chloride	DOTAP
Dulbecco's modified Eagle's medium	DMEM
Multivalent lipids	MVLs
Neutral lipids	NLs
Cationic lipids	CLs
Coarse-grained	CG
Monte Carlo	MC
Small angle x-ray scattering	SAXS
Transfection efficiency	TE
Chemical potential of lipids in free (noncomplexed) neutral membranes	μfree
DNA interaxial distance	dDNA
Energy difference per unit length of one unit cell of the complex	Δ
Free energy	F
Free energy gain per neutral lipid added to the complex	μcomplex(ΦNL)
Inverted hexagonal phase of CL-DNA complexes
Lamellar phase of CL-DNA complexes
Length of the complex parallel to the DNA axis	Ly
Length of the complex perpendicular to the DNA axis	Lx
Lipid bilayer thickness	δL
Average area per lipid	a
Equilibrium area per lipid	aeq
Distance from the DNA rod located at the end of the unit cell (0 ≤ x < dDNA)	x
Local area per lipid	a(x)
Local mole fraction of species i (i—NL or MVL)	Φi(x)
Mean mole fraction of species i (i—NL or MVL)	Φi
Membrane charge density	σM
Membrane spacing	d
Mole fraction of species i	Φi
Number of NLs added to a reference state of the complex	N
Thickness of the water/DNA layer	δW