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ENZYME entry: EC 3.4.21.84

Accepted Name
Limulus clotting factor C.
Reaction catalysed
Selective cleavage of 103-Arg-|-Ser-104 and 124-Ile-|-Ile-125 bonds in Limulus clotting factor B to form activated factor B. Cleavage of -Pro-Arg-|-Xaa- bonds in synthetic substrates
Comment(s)
  • From the hemocyte granules of the horseshoe crabs Limulus and Tachypleus.
  • Factor C is activated by Gram-negative bacterial lipopolysaccharides and chymotrypsin.
  • Inhibited by antithrombin III.
  • Belongs to peptidase family S1.
Cross-references
PROSITEPDOC00124
BRENDA3.4.21.84
EC2PDB3.4.21.84
ExplorEnz3.4.21.84
PRIAM enzyme-specific profiles3.4.21.84
KEGG Ligand Database for Enzyme Nomenclature3.4.21.84
IUBMB Enzyme Nomenclature3.4.21.84
IntEnz3.4.21.84
MEDLINEFind literature relating to 3.4.21.84
MetaCyc3.4.21.84
UniProtKB/Swiss-Prot
Q26422, LFC_CARRO;  P28175, LFC_TACTR;  

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