Table 1 Description of AA and CG models of non-PEI molecules or systems.

From: Martini compatible coarse-grained model of polyethylenimine for pulmonary gene delivery

Molecule or system

Source of the AA model

Source of the CG model

Martini beads in the CG model

DPPC Bilayer

CHARMM-GUI71 Membrane Builder 72,73

CHARMM-GUI71 Martini Maker81

Q0, Qa, Na, C1

DPPG Bilayer

CHARMM-GUI71 Membrane Builder72,73

CHARMM-GUI71 Martini Maker81

P4, Qa, Na, C1

siRNA

Sense: 5’-UGUGGAUGA-3’

Antisense: 3’-ACACCUACU-5’

Smaller portion of siRNA for silencing BCL-2 gene.74 Initial structure using AMBERTOOLS NAB.75

Built from AA structure using Martenize-nucleotide python script76

SN0, SNda, TN0, TT2, TT3, Q0, TG2, TG3, TNa, TA2, TA3, TY2, TY3

SP-B

Sequence of a monomer chain:

LPYCWLCRALIKRIQAMIPK

GALAVAVAQVCRVVPLVAG

GICQCLAERYSVILLDTLLGR

MLPQLVCRLVLRCS

Homology modeling by Olmeda et al.77

Built from AA structure using the Martenize python script81

C1, C2, C3, C5, SP1, SC4, SC4, P4, P5, N0, Na, Nd, Nda, Qa, Qd