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Literature summary extracted from

  • Muta, T.; Oda, T.; Iwa, S.
    Horseshoe Crab Coagulation Factor B. A unique serine protease zymogen activated by cleavage of an Ile-Ile bond (1993), J. Biol. Chem., 268, 2138-21388.
No PubMed abstract available

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.4.21.85 40570
-
 x * 40570, calculated Tachypleus tridentatus

Organism

EC Number Organism UniProt Comment Textmining
3.4.21.85 Tachypleus tridentatus
-
-
-

Posttranslational Modification

EC Number Posttranslational Modification Comment Organism
3.4.21.85 proteolytic modification sequence contains a prepropeptide of 23 amino acids, that may be processed by both a signal peptidase and a processing protease. Cleavage sites of the zymogen for activation by limulus active factor C are an Arg-Ser and an Ile-Ile bond Tachypleus tridentatus

Subunits

EC Number Subunits Comment Organism
3.4.21.85 ? x * 40570, calculated Tachypleus tridentatus
3.4.21.85 More mature enzyme is composed of an amino-terminal clip-like domain and a carboxyl-terminal serine protease domain homologous to that of human plasma prekallikrein Tachypleus tridentatus

Synonyms

EC Number Synonyms Comment Organism
3.4.21.85 factor B
-
 Tachypleus tridentatus