The cloning and nucleotide sequence of the serine protease gene (aspA) of Aeromonas salmonicida ssp. salmonicida
1992
Whitby, P.W. | Landon, M. | Coleman, G.
The gene for Acromonas salmonicida serine protease has been cloned into phagemid pTZ18R in two restriction fragments, 2.0-kb PstI and 2.3-kb KpnI, of genomic DNA. The nucleotide sequences of the two fragments have been determined, in both directions, after subcloning, by double-stranded sequencing of nested deletions. An open reading frame of 1863 bp translated into a sequence of 621 amino acids, a 24-amino acid signal peptide and a 597-amino acid mature enzyme of molecular mass 64 173 Da. The consensus sequence, NGTS, of a serine protease substrate primary binding site was identified and a putative ribosome-binding site GGAG occurred 6 bp upstream of the ATG initiation codon.
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