Fig. 3: Comparison of Au₂₅AcCys₁₈ and Au₂₅SG₁₈ illustrating ligand effects by hydrogen bonding network.

Structures are presented for a Au₂₅AcCys₁₈ and b Au₂₅SG₁₈. Gold atoms in structures are labeled yellow. Ligands are shown in windows. For details on structures optimization see Computational Approach. SG glutathione, AcCys N-acetyl-cysteine.