Zinc finger Guide, Meaning , Facts, Information and Description
A zinc finger is part of a protein that can bind to DNA. Zinc finger domains typically consist of two β sheets;, each carrying a cysteine residue, and an α helix; carrying two histidine residues. The cysteine and histidine residues bind a zinc atom.Many transcription factors (such as Zif268), regulatory proteins, and other proteins that interact with DNA, all contain zinc fingers.
These proteins possess amino acid sequences that combine with a zinc ion. They typically interact with the major and minor grooves along the double helix of DNA.
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