Calpain-2

Identifiers

Databases

PDB structures

Calpain-2 (EC 3.4.22.53, calcium-activated neutral protease II, m-calpain, milli-calpain) is an enzyme.^[1]^[2] This enzyme catalyses the following chemical reaction

Broad endopeptidase specificity

This enzyme belongs to the peptidase family C2.

References

↑ Strobl, S.; Fernandez-Catalan, C.; Braun, M.; Huber, R.; Masumoto, H.; Nakagawa, K.; Irie, A.; Sorimachi, H.; Bourenkow, G.; Bartunik, H.; Suzuki, K.; Bode, W. (2000). "The crystal structure of calcium-free human m-calpain suggests an electrostatic switch mechanism for activation by calcium". Proc. Natl. Acad. Sci. USA. 97: 588–592. doi:10.1073/pnas.97.2.588. PMC 15374. PMID 10639123.
↑ Dutt, P.; Spriggs, C.N.; Davies, P.L.; Jia, Z.; Elce, J.S. (2002). "Origins of the difference in Ca²⁺ requirement for activation of μ- and m-calpain". Biochem. J. 367: 263–269. doi:10.1042/bj20020485. PMID 12014988.

Calpain-2 at the US National Library of Medicine Medical Subject Headings (MeSH)

Proteases: cysteine proteases (EC 3.4.22)

Caspase	Caspase 1 Caspase 2 Caspase 3 Caspase 4 Caspase 5 Caspase 6 Caspase 7 Caspase 8 Caspase 9 Caspase 10 Caspase 12 Caspase 13 Caspase 14

Fruit-derived	Papain Ficain Bromelain Actinidain

Calpain	CAPN1 CAPN2 CAPN3 CAPN5 CAPN6 CAPN7 CAPN8 CAPN9 CAPN10 CAPN11 CAPN12 CAPN13 CAPN14 CAPNS1 CAPNS2

Cathepsin	B C F H K L1/L2 O S W Z

Other	Clostripain Cancer procoagulant Separase Autophagin Cruzipain

Enzymes

Activity	Active site Binding site Catalytic triad Oxyanion hole Enzyme promiscuity Catalytically perfect enzyme Coenzyme Cofactor Enzyme catalysis Enzyme kinetics Lineweaver–Burk plot Michaelis–Menten kinetics

Regulation	Allosteric regulation Cooperativity Enzyme inhibitor

Classification	EC number Enzyme superfamily Enzyme family List of enzymes

Types	EC1 Oxidoreductases (list) EC2 Transferases (list) EC3 Hydrolases (list) EC4 Lyases (list) EC5 Isomerases (list) EC6 Ligases (list)

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