Gingipain R (EC 3.4.22.37, 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) is an enzyme.
[1][2][3] This enzyme catalyses the following chemical reaction: This enzyme is secreted cysteine endopeptidase from the bacterium Porphyromonas gingivalis.