Lac repressor

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The lacI repressor protein, with the help of an inducer, binds to the lacO operator in order to prevent the expression of genes that would lead to the metabolism of lactose in the cell. The repressor- inducer complex achieves this by binding to the DNA at the lacO operon.


References


Hartl, D and Ruvolo, M (2012). Genetics analysis of genes and genomes. 8th ed. USA: Jones and Barlett learning. p394-395.

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