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Definition of Zinc finger

Zinc finger: A finger-shaped fold in a protein that permits it to interact with DNA and RNA. The fold is created by the binding of specific amino acids in the protein to a zinc atom. Zinc-finger proteins regulate the expression of genes as well as nucleic acid recognition, reverse transcription and virus assembly.

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Heart Disease: Causes of a Heart Attack See Slideshow
Reviewed on 12/21/2018

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