Mca-RPKPVE-Nval-WRK(Dnp)-NH2, also known as Mca-RPKPVE-Nval-WRK(Dnp)-NH2 Fluorogenic MMP Substrate, is an excellent substrate for MMP-3 (stromelysin 1) and MMP-10 (stromelysin 2), but not a substrate MMP-1 or MMP-2. Mca-RPKPVE-Nval-WRK(Dnp)-NH2 substrate