Zinc Finger

Zinc finger is a term in biochemistry for a protein. For Proteins to form a stable structure there is inter-working of hundreds of amino acids. On the other hand, there is a shortcut way for proteins to form a solid stable structure in all plants and animals. This is done using Zinc atoms which acts as a magnet attracting certain type of amino acids. The resultant protein is known as Zinc Finger. In Zinc Fingers, 2 numbers Cysteines and Histidines are arranged close to each other in a chain. This arrangement makes it possible for a protein to grab a zinc ion and then fold tightly around it. Thus in the Zinc Fingers, a short chain of 20-30 amino acids is sufficient towards creating a solid, stable Protein structure.

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