Nucleotide Sequence and Characterization of ptsG Gene Encoding Glucose-specific Enzyme II of Phosphotransferase System from Brevibacterium flavum

  • Yoon, Ki-Hong (School of Food Science & Biotechnology, Woosong University)
  • Published : 2005.12.31

Abstract

Nucleotide sequence of Brevibacterium flavum ptsG gene capable of complementing Escherichia coli ZSC113 mutations defective to glucose permease activity of phosphotransferase system was completely determined, and the gene product was compared with other glucose-specific enzyme II ($EII^{Glc}$). A ptsG gene of B. flavum consisted of open reading frame of 2,025 nucleotides putatively encoding polypeptide of 675 amino acid residues and TAA stop codon. Deduced amino acid sequence of B. flavum ($EII^{Glc}$) had high homology with ($EIIs^{Glc}$) of Corynebacterium glutamicum, C. efficiens, and B. lactofermentum. Arrangement of structural domains, IIBCA, of B. flanum ($EII^{Glc}$) protein was identical to that of EIIs belonging to glucose-phosphotransferase system.

Keywords

References

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