HycI peptidase

This enzyme specifically removes a 32-amino acid peptide from the C-terminus of the precursor of the large subunit of hydrogenase 3 in Escherichia coli by cleavage at the C-terminal side of Arg.

This enzyme belongs to the peptidase family A31.

References

Theodoratou E, Paschos A, Magalon A, Fritsche E, Huber R, Böck A (April 2000). "Nickel serves as a substrate recognition motif for the endopeptidase involved in hydrogenase maturation". European Journal of Biochemistry. 267 (7): 1995–9. doi:10.1046/j.1432-1327.2000.01202.x. PMID 10727938.
Yang F, Hu W, Xu H, Li C, Xia B, Jin C (February 2007). "Solution structure and backbone dynamics of an endopeptidase HycI from Escherichia coli: implications for mechanism of the [NiFe] hydrogenase maturation". The Journal of Biological Chemistry. 282 (6): 3856–63. doi:10.1074/jbc.m609263200. PMID 17150961.

External links

HycI+peptidase at the U.S. National Library of Medicine Medical Subject Headings (MeSH)

v t e Proteases: aspartate proteases (EC 3.4.23)
Vertebrate	Pepsin Chymosin Renin Signal peptide peptidase Beta secretase 1 2
Pathogenic	Plasmepsin HIV-1 protease
Plant	Nepenthesin
Cathepsin	D E

v t e Enzymes
Activity	Active site Binding site Catalytic triad Oxyanion hole Enzyme promiscuity Diffusion-limited enzyme Cofactor Enzyme catalysis
Regulation	Allosteric regulation Cooperativity Enzyme inhibitor Enzyme activator
Classification	EC number Enzyme superfamily Enzyme family List of enzymes
Kinetics	Enzyme kinetics Eadie–Hofstee diagram Hanes–Woolf plot Lineweaver–Burk plot Michaelis–Menten kinetics
Types	EC1 Oxidoreductases (list) EC2 Transferases (list) EC3 Hydrolases (list) EC4 Lyases (list) EC5 Isomerases (list) EC6 Ligases (list) EC7 Translocases (list)

Portal:

Biology

Category:

EC 3.4.23