Table 1 Node feature definitions used in DiffPharma for ligands, proteins, hydrogen particles, and hydrophobic particles

From: Interaction-constrained 3D molecular generation using a diffusion model enables structure-based pharmacophore modeling for drug design

Notation

Node Category

Possible Values

\({h}_{{L}_{i}}\)

Ligand atom feature

C, N, O, F, P, S, Cl, Br, I, B, else

\({h}_{{P}_{i}}\)

Protein atom feature

C, N, O, F, P, S, Cl, Br, I, B, else

\({h}_{{H}_{i}}\)

Hydrogen atom feature

anchor, donor, acceptor

\({h}_{{H}_{i}}\)

Hydrophobic atom feature

anchor, aromatic C, sp C, sp2 C(not aromatic), sp3 C, else