HDAC	Histone Deacetylase
HDACs	Histone Deacetylases
HATs	Histone Acetyl Transferases
HDAC8	Histone Deacetylase 8
HDACi	Histone Deacetylase Inhibitor
FDA	Food and Drug Administration
PTM	Post-Translational Modification
DFT	Density Functional Theory
PCM	Polarizable Continuum Model
HSAB	Hard and Soft Acids and Bases
B3LYP	Becke, 3-parameter, Lee-Yang-Parr hybrid functional
ZPE	Zero-Point Energy
ΔE1	Change in Electronic Energy (gas phase)
ΔG1	Change in Gibbs Free Energy (gas phase)
ΔG32	Change in Gibbs Free Energy in Methanol (ε = 32)
ΔG78	Change in Gibbs Free Energy in Water (ε = 78)
ML4	Tetracoordinated Metal–Ligand Complex
ML5	Pentacoordinated Metal–Ligand Complex
ML6	Hexacoordinated Metal–Ligand Complex