This family of enzymes break down collagens.

1: Molecular analysis of an extracellular protease gene from Vibrio parahaemolyticus. Lee CY, Su SC, Liaw RB; Microbiology 1995;141:2569-2576. PMID:7582017

2: Purification and characterization of Clostridium perfringens 120- kilodalton collagenase and nucleotide sequence of the corresponding gene. Matsushita O, Yoshihara K, Katayama S, Minami J, Okabe A; J Bacteriol 1994;176:149-156. PMID:8282691