Article
Mutations in the helix-turn-helix motif of the Escherichia coli UvrA protein eliminate its specificity for UV-damaged DNA.
The Journal of biological chemistry - 5 Mar 1993
Wang J, Grossman L
Abstract excerpt
The Escherichia coli UvrA protein possesses a stretch of amino acids, 494 to 513, that matches the consensus sequence of the helix-turn-helix motif of many sequence-specific DNA binding proteins. It also has two zinc finger motif regions and two ATP binding sites. To study the potential roles of both helix-turn-helix and zinc finger motifs in the functioning of UvrA protein, random mutations were created in these...
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