Ile- bond in limulus proclotting enzyme to form active clotting enzyme
Reaction: Selective cleavage of -Arg98Ile- bond in limulus proclotting enzyme to form active clotting enzyme
Comments: From the hemocyte granules of the horseshoe crabs Limulus and Tachypleus. Factor B is activated by limulus clotting factor 
. In peptidase family S1 (trypsin family)
Links to other databases: BRENDA, EXPASY, KEGG, MEROPS, Metacyc, CAS registry number: 848851-53-6
References
1. Nakamura, T., Horiuchi, T., Morita, T. and Iwanaga, S. Purification and properties of intracellular clotting factor, factor B, from horseshoe crab (Tachypleus tridentatus) hemocytes. J. Biochem. (Tokyo) 99 (1986) 847-857. [PMID: 3519594]