Zinc fingers: DNA binding and protein-protein interactions

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Abstract
The zinc finger domain is a very ubiquitous structural element whose hallmark is the coordination of a zinc atom by several amino acid residues (cysteines and histidines, and occasionally aspartate and glutamate). These structural elements are associated with protein-nucleic acid recognition as well as protein-protein interactions. The purpose of this review is to examine recent data on the DNA and protein binding properties of a few zinc fingers whose three dimensional structure is known.

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