3.4.24.24 gelatinase A; 72-kDa gelatinase; matrix metalloproteinase 2; type IV collagenase (ambiguous); 3/4 collagenase (obsolete); matrix metalloproteinase 5 (obsolete); 72 kDa gelatinase type A; collagenase IV (ambiguous); collagenase type IV (ambiguous); M • • •