The Enzyme Database

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Accepted name: gingipain R
Reaction: Hydrolysis of proteins and small molecule substrates, with a preference for Arg in P1
Other name(s): Arg-gingipain; gingipain-1; argingipain; Arg-gingivain-55 proteinase; Arg-gingivain-70 proteinase; Arg-gingivain-75 proteinase; arginine-specific cysteine protease; arginine-specific gingipain; arginine-specific gingivain; RGP-1; RGP
Comments: A secreted endopeptidase from the bacterium Porphyromonas gingivalis. Strongly activated by glycine [1], and stabilized by Ca2+. Precursor molecule contains a hemagglutinin domain [2,3]. Misleadingly described in some literature as "trypsin-like", being a cysteine peptidase, type example of family C25
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, MEROPS, PDB, CAS registry number: 159745-71-8
1.  Chen, Z., Potempa, J., Polanowski, A., Wikstrom, M. and Travis, J. Purification and characterization of a 50-kDa cysteine proteinase (gingipain) from Porphyromonas gingivalis. J. Biol. Chem. 267 (1992) 18896–18901. [PMID: 1527017]
2.  Kirszbaum, L., Sotiropoulos, C., Jackson, C., Cleal, S., Slakeski, N. and Reynolds, E.C. Complete nucleotide sequence of a gene prtR of Porphyromonas gingivalis W50 encoding a 132 kDa protein that contains an arginine-specific thiol endopeptidase domain and a haemagglutinin domain. Biochem. Biophys. Res. Commun. 207 (1995) 424–431. [DOI] [PMID: 7857299]
3.  Pavloff, N., Potempa, J., Pike, R.N., Prochazka, V., Kiefer, M.C., Travis, J. and Barr, P.J. Molecular cloning and structural characterization of the Arg-gingipain proteinase of Porphyromonas gingivalis. Biosynthesis as a proteinase-adhesin polyprotein. J. Biol. Chem. 270 (1995) 1007–1010. [DOI] [PMID: 7836351]
[EC created 1996]

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