IUBMB Enzyme Nomenclature


Accepted name: limulus clotting factor

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


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]

[EC created 1993]

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