The Enzyme Database

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Accepted name: aminopeptidase B
Reaction: Release of N-terminal Arg and Lys from oligopeptides when P1′ is not Pro. Also acts on arylamides of Arg and Lys
Glossary: amastatin = Leu[1Ψ2,CHOHCONH]ValValAsp
arphamenine A = Arg[1Ψ2,COCH2]Phe
arphamenine B = Arg[1Ψ2,COCH2]Tyr
bestatin = Phe[1Ψ2,CHOHCONH]Leu
Other name(s): arylamidase II; arginine aminopeptidase; arginyl aminopeptidase; Cl--activated arginine aminopeptidase; cytosol aminopeptidase IV; L-arginine aminopeptidase
Comments: Cytosolic or membrane-associated enzyme from mammalian tissues, activated by chloride ions and low concentrations of thiol compounds. This is one of the activities of the bifunctional enzyme EC (membrane alanyl aminopeptidase family) [4,5].
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, MEROPS, CAS registry number: 9073-92-1
1.  Gainer, H., Russell, J.T. and Loh, Y.P. An aminopeptidase activity in bovine pituitary secretory vesicles that cleaves the N-terminal arginine from β-lipotropin(60-65). FEBS Lett. 175 (1984) 135–139. [DOI] [PMID: 6434344]
2.  Belhacène, N., Mari, B., Rossi, B. and Auberger, P. Characterization and purification of T lymphocyte aminopeptidase B: a putative marker of T cell activation. Eur. J. Immunol. 23 (1993) 1948–1955. [DOI] [PMID: 8344358]
3.  Cadel, S., Pierotti, A.R., Foulon, T., Créminon, C., Barré, N., Segrétain, D. and Cohen, P. Aminopeptidase-B in the rat testes: Isolation, functional properties and cellular localization in the seminiferous tubules. Mol. Cell. Endocrinol. 110 (1995) 149–160. [PMID: 7672445]
4.  Fukasawa, K.M., Fukasawa, K., Kanai, M., Fujii, S. and Harada, M. Molecular cloning and expression of rat liver aminopeptidase B. J. Biol. Chem. 271 (1996) 30731–30735. [DOI] [PMID: 8940051]
5.  Cadel, S., Foulon, T., Viron, A., Balogh, A., Midol-Monnet, S., Noel, N. and Cohen, P. Aminopeptidase B from the rat testis is a bifunctional enzyme structually related to leukotriene-A4 hydrolase. Proc. Natl. Acad. Sci. USA 94 (1997) 2963–2968. [DOI] [PMID: 9096329]
6.  Orning, L., Gierse, J.K. and Fitzpatrick, F.A. The bifunctional enzyme leukotriene-A4 hydrolase is an arginine aminopeptidase of high efficiency and specificity. J. Biol. Chem. 269 (1994) 11269. [PMID: 8157657]
[EC created 1972, modified 1997]
Accepted name: cytosol nonspecific dipeptidase
Reaction: Hydrolysis of dipeptides, preferentially hydrophobic dipeptides including prolyl amino acids
Other name(s): N2-β-alanylarginine dipeptidase; glycyl-glycine dipeptidase; glycyl-leucine dipeptidase; iminodipeptidase; peptidase A; Pro-X dipeptidase; prolinase; prolyl dipeptidase; prolylglycine dipeptidase; iminodipeptidase; prolinase; L-prolylglycine dipeptidase; prolylglycine dipeptidase; diglycinase; Gly-Leu hydrolase; glycyl-L-leucine dipeptidase; glycyl-L-leucine hydrolase; glycyl-L-leucine peptidase; L-amino-acyl-L-amino-acid hydrolase; glycylleucine peptidase; glycylleucine hydrolase; glycylleucine dipeptide hydrolase; non-specific dipeptidase; human cytosolic non-specific dipeptidase; glycyl-L-leucine hydrolase; glycyl-glycine dipeptidase
Comments: A zinc enzyme with broad specificity, varying somewhat with source species. Activated and stabilized by dithiothreitol and Mn2+. Inhibited by bestatin and leucine.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, CAS registry number: 9025-31-4
1.  Bauer, K. Cytosol non-specific dipeptidase. In: Barrett, A.J., Rawlings, N.D. and Woessner, J.F. (Ed.), Handbook of Proteolytic Enzymes, Academic Press, London, 1998, pp. 1520–1522.
[EC created 1961 as EC and EC, transferred 1972 to EC and EC, transferred 1978 to EC, part transferred 1992 to EC, modified 2000 (EC created 1989, incorporated 1992)]
Accepted name: membrane dipeptidase
Reaction: Hydrolysis of dipeptides
Other name(s): renal dipeptidase; dehydropeptidase I (DPH I); dipeptidase (ambiguous); aminodipeptidase; dipeptide hydrolase (ambiguous); dipeptidyl hydrolase (ambiguous); nonspecific dipeptidase; glycosyl-phosphatidylinositol-anchored renal dipeptidase; MDP
Comments: A membrane-bound, zinc enzyme with broad specificity. Abundant in the kidney cortex. Inhibited by bestatin and cilastatin. Type example of peptidase family M19.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, MEROPS, PDB, CAS registry number: 9031-99-6
1.  Campbell, B., Lin, H., Davis, R. and Ballew, E. The purification and properties of a particulate renal dipeptidase. Biochim. Biophys. Acta 118 (1966) 371–386. [PMID: 5961612]
2.  Campbell, B.J. Renal dipeptidase. Methods Enzymol. 19 (1970) 722–729.
3.  Kropp, H., Sundelof, J.G., Hajdu, R. and Kahan, F.M. Metabolism of thienamycin and related carbapenem antibiotics by renal dipeptidase, dehydropeptidase-I. Antimicrob. Agents Chemother. 22 (1982) 62–70. [PMID: 7125632]
4.  Hooper, N.M., Keen, J.N. and Turner, A.J. Characterization of the glycosyl-phosphatidylinositol-anchored human renal dipeptidase reveals that it is more extensively glycosylated than the pig enzyme. Biochem. J. 265 (1990) 429–433. [PMID: 2137335]
[EC created 1961 as EC and EC, transferred 1972 to EC and EC, transferred 1978 to EC, part transferred 1992 to EC, modified 2011]
Accepted name: nardilysin
Reaction: Hydrolysis of polypeptides, preferably at -Xaa┼Arg-Lys-, and less commonly at -Arg┼Arg-Xaa-, in which Xaa is not Arg or Lys
Other name(s): N-arginine dibasic convertase; NRD-convertase
Comments: Enzyme of 133 kDa from rat brain and testis. A homologue of pitrilysin containing the His-Phe-Leu-Glu-His zinc-binding sequence, and a highly acidic stretch of 71 residues. Unusually for a metalloendopeptidase, inhibited by bestatin, amastatin and N-ethylmaleimide. In peptidase family M16 (pitrilysin family)
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, MEROPS, CAS registry number: 292850-69-2
1.  Gomez, S., Gluschankof, P., Morel, A. and Cohen, P. The somatostatin-28 convertase of rat brain cortex is associated with secretory granule membranes. J. Biol. Chem. 260 (1985) 10541–10545. [PMID: 3897221]
2.  Gluschankof, P., Gomez, S., Morel, A. and Cohen, P. Enzymes that process somatostatin precursors. A novel endoprotease that cleaves before the arginine-lysine doublet is involved in somatostatin-28 convertase activity of rat brain cortex. J. Biol. Chem. 262 (1987) 9615–9620. [PMID: 2885328]
3.  Chesneau, V., Pierotti, A.R., Barré, N., Créminon, C., Tougard, C. and Cohen, P. Isolation and characterization of a dibasic selective metalloendopeptidase from rat testes that cleaves at the amino terminus of arginine residues. J. Biol. Chem. 269 (1994) 2056–2061. [PMID: 8294457]
4.  Pierotti, A.R., Prat, A., Chesneau, V., Gaudoux, F., Leseney, A.-M., Foulon, T. and Cohen, P. N-Arginine dibasic convertase, a metalloendopeptidase as a prototype of a class of processing enzymes. Proc. Natl. Acad. Sci. USA 91 (1994) 6078–6082. [DOI] [PMID: 8016118]
[EC created 1995]

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