The Enzyme Database

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Accepted name: fibrolase
Reaction: Hydrolysis of -Ala14┼Leu- in insulin B chain and -Lys413┼Leu- in Aα-chain of fibrinogen
Other name(s): fibrinolytic proteinase; Agkistrodon contortrix contortrix metalloproteinase; Agkistrodon contortrix contortrix venom metalloproteinase
Comments: A 23-kDa, non-hemorrhagic enzyme from the venom of the southern copperhead snake (Agkistrodon contortix contortix). In peptidase family M12 (astacin family)
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, MEROPS, CAS registry number: 116036-70-5
1.  Retzios, A.D. and Markland, F.S., Jr. A direct-acting fibrinolytic enzyme from the venom of Agkistrodon contortrix contortrix: effects on various components of the human blood coagulation and fibrinolysis systems. Thromb. Res. 52 (1988) 541–552. [PMID: 3232124]
2.  Guan, A.L., Retzios, A.D., Henderson, G.N. and Markland, F.S., Jr. Purification and characterization of a fibrinolytic enzyme from venom of southern copperhead snake (Agkistrodon contortrix contortrix). Arch. Biochem. Biophys. 289 (1991) 197–207. [DOI] [PMID: 1898066]
3.  Randolph, A., Chamberlain, S.H., Chu, H.L.C., Retzios, A.D., Markland, F.S. Jr. and Masiarz, F.R. Amino acid sequence of fibrolase, a direct-acting fibrinolytic enzyme from Agkistrodon contortrix venom. Protein Sci. 1 (1992) 590–600. [DOI] [PMID: 1304358]
4.  Loayza, S.L., Trikha, M., Markland, F.S., Riquelme, P. and Kuo, J. Resolution of isoforms of natural and recombinant fibrolase, the fibrinolytic enzyme from Agkistrodon contortrix contortrix snake venom, and comparison of their EDTA sensitivities. J. Chromatogr. B Biomed. Appl. 662 (1994) 227–243. [PMID: 7719479]
5.  Retzios, A.D. and Markland, F.S. Fibrinolytic enzymes from the venoms of Agkistrodon contortrix contortrix and Crotalus basilicus basilicus: cleavage site specificity towards the α-chain of fibrin. Thromb. Res. 74 (1994) 355–367. [DOI] [PMID: 8085237]
[EC created 1996]

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