Biochemical properties of the major outer membrane proteins of Porphyromonas gingivalis.

S. Kokeguchi, M. Miyamoto, H. Ohyama, H. Hongyo, M. Takigawa, H. Kurihara, Y. Murayama, K. Kato

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


The major outer membrane proteins (MOMP) of 53 and 67 kDa were identified by sodium dodecyl sulphate-polyacrylamide gel electrophoresis in outer membrane enriched fractions of Porphyromonas gingivalis FDC 381 and ATCC 33277, respectively. The MOMP were purified by anion exchange and gel filtration chromatography after extraction with Zwittergent 3-14. Their reactivity to monoclonal antibodies and their amino acid composition were analysed. The N-terminal amino acid sequences of twenty residues of both purified MOMP were determined and compared with those previously reported for MOMP of other periodontopathic bacteria.

Original languageEnglish
Pages (from-to)247-252
Number of pages6
Issue number313
Publication statusPublished - 1994

ASJC Scopus subject areas

  • Microbiology
  • Microbiology (medical)


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