Sandbox Reserved 1053: Difference between revisions

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 ==Czr Operon==
-The Chromosome Determined Zinc Responsible (Czr) operon acts as described above, with Czr A acting as a regulator protein to the downstream gene Czr B. The Czr B gene codes for a Zn <sup>2+</sup> pump, so Czr A is responsible for controlling the transport of Zn <sup>2+</sup> out of the cell. In addition to being a component of an operon, Czr A is also considered to be a metal sensor protein. While the immediate function of Czr A is gene regulation, this serves the larger purpose of acting to maintain an appropriate concentration of Zn <sup>2+</sup> inside the cell membrane.
+The Chromosome Determined Zinc Responsible (Czr) operon acts as described above, with Czr A acting as a regulator protein to the downstream gene Czr B. The Czr B gene codes for a Zn <sup>2+</sup> pump, so Czr A is responsible for controlling the transport of Zn <sup>2+</sup> out of the cell. Because of its role in regulating Zn <sup>2+</sup> levels, Czr A is considered a metal sensor protein. This allows Czr A to regulate the Czr operon to maintain an appropriate concentration of Zn <sup>2+</sup> inside the cell membrane.
 == Biological Function ==