and -Arg47 bonds in coagulogen to form coagulin and fragments
Reaction: Selective cleavage of -Arg18 and -Arg47 bonds in coagulogen to form coagulin and fragments
Other name(s): clotting enzyme
Comments: From the hemocyte granules of horseshoe crabs Limulus and Tachypleus. Proclotting enzyme is activated by limulus clotting factor . In peptidase family S1 (trypsin family)
Links to other databases: BRENDA, EXPASY, KEGG, MEROPS, Metacyc, CAS registry number: ???
References
1. Muta, T., Hashimoto, R., Miyata, T., Nishimura, H., Toh, Y. and Iwanaga, S. Proclotting enzyme from horseshoe crab hemocytes. cDNA cloning, disulfide locations, and subcellular localization. J. Biol. Chem. 265 (1990) 22426-22433. [PMID: 2266134]
2. Tokunaga, F., Nakajima, H. and Iwanaga, S. Further studies on lipopolysaccharide-sensitive serine protease zymogen (factor C): its isolation from Limulus polyphemus hemocytes and identification as an intracellular zymogen activated by α-chymotrypsin, not by trypsin. J. Biochem. (Tokyo) 109 (1991) 150-157. [PMID: 2016264]