Calicivirin

Calicivirin (EC 3.4.22.66, Camberwell virus processing peptidase, Chiba virus processing peptidase, Norwalk virus processing peptidase, Southampton virus processing peptidase, norovirus virus processing peptidase, calicivirus trypsin-like cysteine protease, calicivirus TCP, calicivirus 3C-like protease, calicivirus endopeptidase, rabbit hemorrhagic disease virus 3C endopeptidase) is an enzyme.^[1]^[2]^[3]^[4]^[5] This enzyme catalyses the following chemical reaction

Endopeptidase with a preference for cleavage when the P1 position is occupied by Glu- and the P1- position is occupied by Gly-

Viruses that are members of the Norovirus genus (Caliciviridae family) are a major cause of epidemic acute viral gastroenteritis.

References

↑ Meyers, G., Rossi, C. and Thiel, H.J. (2004). "Calicivirus endopeptidases". In Barrett, A.J., Rawlings, N.D. and Woessner, J.F. Handbook of Proteolytic Enzymes (2nd ed.). London: Elsevier. pp. 1380–1382.
↑ Wirblich, C., Sibilia, M., Boniotti, M.B., Rossi, C., Thiel, H.J. and Meyers, G. (1995). "3C-like protease of rabbit hemorrhagic disease virus: identification of cleavage sites in the ORF1 polyprotein and analysis of cleavage specificity". J. Virol. 69: 7159–7168. PMID 7474137.
↑ Martín Alonso, J.M., Casais, R., Boga, J.A. and Parra, F. (1996). "Processing of rabbit hemorrhagic disease virus polyprotein". J. Virol. 70: 1261–1265. PMID 8551592.
↑ Liu, B., Clarke, I.N. and Lambden, P.R. (1996). "Polyprotein processing in Southampton virus: identification of 3C-like protease cleavage sites by in vitro mutagenesis". J. Virol. 70: 2605–2610. PMID 8642693.
↑ Liu, B.L., Viljoen, G.J., Clarke, I.N. and Lambden, P.R. (1999). "Identification of further proteolytic cleavage sites in the Southampton calicivirus polyprotein by expression of the viral protease in E. coli". J. Gen. Virol. 80: 291–296. PMID 10073687.

External links

Calicivirin 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

Proteins: 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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