Limulus clotting factor B
Limulus clotting factor B (EC 3.4.21.85) is an enzyme.[1] This enzyme catalyses the following chemical reaction
- Selective cleavage of -Arg98-Ile- bond in limulus proclotting enzyme to form active clotting enzyme
| Limulus clotting factor B | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC number | 3.4.21.85 | ||||||||
| CAS number | 848851-53-6 | ||||||||
| Databases | |||||||||
| IntEnz | IntEnz view | ||||||||
| BRENDA | BRENDA entry | ||||||||
| ExPASy | NiceZyme view | ||||||||
| KEGG | KEGG entry | ||||||||
| MetaCyc | metabolic pathway | ||||||||
| PRIAM | profile | ||||||||
| PDB structures | RCSB PDB PDBe PDBsum | ||||||||
| |||||||||
From the hemocyte granules of the horseshoe crabs Limulus and Tachypleus. This enzyme is downstream of Limulus clotting factor C, but upstream of Limulus clotting enzyme.[2]
References
- Nakamura T, Horiuchi T, Morita T, Iwanaga S (March 1986). "Purification and properties of intracellular clotting factor, factor B, from horseshoe crab (Tachypleus tridentatus) hemocytes". Journal of Biochemistry. 99 (3): 847–57. PMID 3519594.
- Iwanaga, S (May 2007). "Biochemical principle of Limulus test for detecting bacterial endotoxins". Proceedings of the Japan Academy. Series B, Physical and biological sciences. 83 (4): 110–9. doi:10.2183/pjab.83.110. PMC 3756735. PMID 24019589.
External links
- Limulus+clotting+factor+_overbar_B_ at the US National Library of Medicine Medical Subject Headings (MeSH)
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