The Enzyme Database

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EC 3.4.22.64     
Accepted name: caspase-11
Reaction: Strict requirement for Asp at the P1 position and has a preferred cleavage sequence of (Ile/Leu/Val/Phe)-Gly-His-Asp┼
Other name(s): CASP-11
Comments: This murine enzyme is part of the family of inflammatory caspases, which also includes caspase-1 (EC 3.4.22.36), caspase-4 (EC 3.4.22.57) and caspase-5 (EC 3.4.22.58) in humans and caspase-12, caspase-13 and caspase-14 in mice. Contains a caspase-recruitment domain (CARD) in its N-terminal prodomain, which plays a role in procaspase activation. Like caspase-5, but unlike caspase-4, this enzyme can be induced by lipopolysaccharide [1]. This enzyme not only activates caspase-1, which is required for the maturation of proinflammatory cytokines such as interleukin-1β (IL-1β) and IL-18, but it also activates caspase-3 (EC 3.4.22.56), which leads to cellular apoptosis under pathological conditions [1,2]. Belongs in peptidase family C14.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
References:
1.  Kang, S.J., Wang, S., Hara, H., Peterson, E.P., Namura, S., Amin-Hanjani, S., Huang, Z., Srinivasan, A., Tomaselli, K.J., Thornberry, N.A., Moskowitz, M.A. and Yuan, J. Dual role of caspase-11 in mediating activation of caspase-1 and caspase-3 under pathological conditions. J. Cell. Biol. 149 (2000) 613–622. [PMID: 10791975]
2.  Hur, J., Kim, S.Y., Kim, H., Cha, S., Lee, M.S. and Suk, K. Induction of caspase-11 by inflammatory stimuli in rat astrocytes: lipopolysaccharide induction through p38 mitogen-activated protein kinase pathway. FEBS Lett. 507 (2001) 157–162. [PMID: 11684090]
3.  Wang, S., Miura, M., Jung, Y.K., Zhu, H., Li, E. and Yuan, J. Murine caspase-11, an ICE-interacting protease, is essential for the activation of ICE. Cell 92 (1998) 501–509. [PMID: 9491891]
4.  Endo, M., Mori, M., Akira, S. and Gotoh, T. C/EBP homologous protein (CHOP) is crucial for the induction of caspase-11 and the pathogenesis of lipopolysaccharide-induced inflammation. J. Immunol. 176 (2006) 6245–6253. [PMID: 16670335]
5.  Chang, H.Y. and Yang, X. Proteases for cell suicide: functions and regulation of caspases. Microbiol. Mol. Biol. Rev. 64 (2000) 821–846. [PMID: 11104820]
[EC 3.4.22.64 created 2007]
 
 


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