Figure 5From: Drugs in development: bisphosphonates and metalloproteinase inhibitorsMatrix metalloproteinase (MMP) inhibitor interactions. Subsites around the catalytic zinc (Zn) bind amino acids in the substrate on either side of the cleavage site. Synthetic MMP inhibitors use a zinc binding group (ZnBG) attached to modified peptides that can bind tightly to these subsites. LHS, left-hand side; P, position of residues in the peptide; RHS, right-hand side; S, subsites of the active site.Back to article page