one of them , mmp-3 ( stromelysin ) has been shown to degrade purified basement-membrane components , collagen iv and laminin [ okada , y. , nagase , h. & harris , e. d. , jr. ( 1986 ) j. biol . chem . 261 , 14245-14255 ] .
C0004799
basement-membrane
C0009333
collagen iv