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Lac repressor


The lac repressor is a DNA-binding protein which inhibits the expression of genes coding for proteins involved in the metabolism of lactose in bacteria. It is active in the absence of lactose, ensuring that the bacterium only...
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The lac operon is an operon required for the transport and metabolism of lactose in Escherichia coli and some other enteric bacteria. It consists of three adjacent structural genes, a promoter, a terminator, and an operator....
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Lac Repressor Binding to DNA. for the Atlas of Macromolecules in Protein Explorer ... 1OSL: Lac repressor bound to nonspecific DNA 18-mer. ...
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Lac repressor Lac Repressor molecule more details... The lac repressor is a DNA-binding protein which inhibits the expression of genes coding for
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Structural dynamics of the Lac repressor-DNA complex revealed by a multiscale simulation. ... Structural basis for cooperative DNA binding by CAP and Lac repressor. ...
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The repressor and its operator together form a genetic switch, the lac operon. ... The structures of the lac repressor and its complexes with operator DNA and ...
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The lac repressor is the protein responsible for switching the expression of the ... When lac repressor binds to operators containing two right half-sites, the ...
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... to learn the molecular structure of a protein identified as the lac repressor. ... In the case of the lac repressor, this crucial information would allow them to ...
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lambda repressor/lambda operator complex. lac repressor/lac operator complex ... The crystal structure of the lac repressor/inducer complex reveals that the ...
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The purified lac repressor is a tetramer, formed from four identical subunits, ... Like RNA polymerase, lac repressor seeks its operator site by first binding to ...
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... Lac Repressor Protein. In the absence of lactose, the Lac repressor ... The effect of the Lac repressor on the lac genes is referred to as negative regulation. ...
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The lac repressor binds to a specific sequence of two dozen nucleotides ... The lac repressor represents only a tiny fraction of the proteins in the E. coli ...
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