Sequence of the Gene Encoding an Alkaline Serine Proteinase of Bacillus pumilus TYO-67

  • Aoyama Misako
    Department of Bioscience and Biotechnology, Faculty of Agriculture, University of the Ryukyus
  • Toma Claudia
    Department of Bacteriology, Faculty of Medicine, University of the Ryukyus
  • Yasuda Masaaki
    Department of Bioscience and Biotechnology, Faculty of Agriculture, University of the Ryukyus
  • Iwanaga Masaaki
    Department of Bacteriology, Faculty of Medicine, University of the Ryukyus

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タイトル別名
  • Sequence of the Gene Encoding an Alkaline Serine Proteinase of <i>Bacillus pumilus</i> TYO-67
  • Sequence of the Gene Encoding an Alkaline Serine Proteinase of <i>Bacillus pumilus</i> TYO‐67

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The complete nucleotide sequence of the gene encoding an alkaline serine proteinase (aprP) of Bacillus pumilus TYO-67 was determined. The sequence analysis showed an open reading frame of 1, 149bp (383 amino acids) that encoded a signal peptide consisting of 29 residues and a propeptide of 79 residues. The deduced 3 amino acid residues, D32, H64, and S221, were identical with 3 essential amino acids in the catalytic center of subtilases. The sequence around these residues revealed that APRP was a new member of the true subtilisin subgroup of the subtilisin family. The highest homology was found in subtilisin NAT at 64.4% in the DNA sequence. The residue S189 of APRP was different from those of other subtilases.

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