フラギリシン

フラギリシン(Fragilysin、EC 3.4.24.74)は、ペプチダーゼである^[1]^[2]^[3]^[4]^[5]。この酵素は広い特異性を持ち、-Gly-Leu-, -Met-Leu-,-Phe-Leu-,-Cys-Leu-,Leu-Gly等の結合を分解する反応を触媒する。

この酵素は、動物やヒトの下痢の原因になっていると考えられている。

出典

^ Moncrief, J.S., Obiso, R., Jr., Barroso, L.A., Kling, J.J., Wright, R.L., Van Tassell, R.L., Lyerly, D.M. and Wilkins, T.D. (1995). “The enterotoxin of Bacteroides fragilis is a metalloprotease”. Infect. Immun. 63: 175–181. PMID 7806355.
^ Obiso, R.J., Jr., Lyerly, D.M., Van Tassell, R.L. and Wilkins, T.D. (1995). “Proteolytic activity of the Bacteroides fragilis enterotoxin causes fluid secretion and intestinal damage in vivo”. Infect. Immun. 63: 3820–3826. PMID 7558286.
^ Donelli, G., Fabbri, A. and Fiorentini, C. (1996). “Bacteroides fragilis enterotoxin induces cytoskeletal changes and surface blebbing in HT-29 cells”. Infect. Immun. 64: 113–119. PMID 8557328.
^ Koshy, S.S., Montrose, M.H. and Sears, C.L. (1996). “Human intestinal epithelial cells swell and demonstrate actin rearrangement in response to the metalloprotease toxin of Bacteroides fragilis”. Infect. Immun. 64: 5022–5028. PMID 8945541.
^ Kling, J.J., Wright, R.L., Moncrief, J.S. and Wilkins, T.D. (1997). “Cloning and characterization of the gene for the metalloprotease enterotoxin of Bacteroides fragilis”. FEMS Microbiol. Lett. 146: 279–284. PMID 9011050.