Purification and characterization of a novel arginine-specific cysteine proteinase (argingipain) involved in the pathogenesis of periodontal disease from the culture supernatant of Porphyromonas gingivalis.

Abstract

A novel arginine-specific cysteine proteinase, termed "argingipain," was purified from culture supernatants of Porphyromonas gingivalis, an anaerobe commonly associated with progressive periodontal disease, by conventional chromatographic techniques. The purified enzyme was found to be composed of a single polypeptide of M(r) approximately 44,000. Analysis… (More)

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