Immunogen sequence: WRFDVKAQMV DPRSASEVDR MFPGVPLDTH DVFQYREKAY FCQDRFYWRV SSRSELNQVD QVGYVTYDIL QCPE. MMP9 (matrix metallopeptidase 9, GELB, CLG4B) is a matrix metalloproteinase, a family of zinc and calcium-dependent endopeptidases that degrade extrace