4RBM:
reference: Structure and mechanism of cysteine peptidase Kgp, a major virulence factor of Porphyromonas gingivalis in periodontitis., de Diego I, Veillard F, Sztukowska M, Guevara T, Potempa B, Pomowski A, Huntington JA, Potempa J, Gomis-Ruth FX, J Biol Chem. 2014 Sep 29. pii: jbc.M114.602052. PMID: 25266723

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