Isolation and characterization of a zinc-containing metalloprotease expressed by Vibrio tubiashii

作者: R B Delston , M H Kothary , K A Shangraw , B D Tall

DOI: 10.1139/W03-067

关键词: Peptide sequenceBiochemistryVibrioAmmonium sulfate precipitationProteaseMolecular massVibrio tubiashiiVibrionaceaeIsoelectric pointBiology

摘要: A Vibrio tubiashii hemagglutinin, a protease, was purified by ammonium sulfate precipitation, gel filtration, and hydrophobic interaction chromatography. It agglutinates sheep, chicken, bovine, rabbit, guinea pig, human erythrocytes. has molecular mass of 35 kDa, isoelectric points 3.5 3.7, is inhibited ortho-phenanthro line, phosphoramidon, Zincov. The N-terminal amino acid sequence (Ala-Gln-Ala-Thr-Gly-Thr-Gly- Pro-Gly-Gly-Asn-Gln-Lys-Thr-Gly-Gln- Tyr-Asn-Phe-Gly) strong homology to other proteases.Key words: tubiashii, metalloprotease, hemagglutinin.

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