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. 2023 Jan 3;30(1):1–18. doi: 10.1080/10717544.2022.2154409

Table 4.

The commonly used enzymes and their substrates.

Enzyme Linker
Hyaluronidase Hyaluronic acid (HA)
MMP-9 GFFLGLDD peptide
MMP-2 GPLGLAG peptide, GPLGVRGK peptide, PVGLIG peptide, GPLGVRGC peptide, VPLGVRTK peptide, PLGVRG peptide, Gelatin
Cathepsin B GFLGKGLFG peptide, GFLG peptide , Val-Cit peptide,
FAP-α DRGETGPAC peptide
β-glucuronidase Glucuronide