Structure and function of the arginine repressor-operator complex from Bacillus subtilis.

@article{Garnett2008StructureAF,
  title={Structure and function of the arginine repressor-operator complex from Bacillus subtilis.},
  author={James A. Garnett and Ferenc Marincs and S. Baumberg and Peter G. Stockley and Simon E V Phillips},
  journal={Journal of molecular biology},
  year={2008},
  volume={379 2},
  pages={284-98}
}
In many bacteria, the concentration of L-arginine is controlled by a transcriptional regulator, the arginine repressor. In Bacillus subtilis this transcription factor is called AhrC and has roles in both the repression and activation of the genes involved in arginine metabolism. It interacts with 18 bp ARG boxes in the promoters of arginine biosynthetic and catabolic operons. AhrC is a hexamer and each subunit has two domains. The C-terminal domains form the core, mediating inter-subunit… CONTINUE READING

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