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Zinc fingers

Zinc fingers
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Description: a. The transcription factor TFIIIA binds to the 5S RNA gene via zinc fingers inserted into the major groove.

The two major recognition regions, A block and C block, are contacted by fingers 7–9 and 1–3, respectively.

b. Structure of a zinc finger.

The structure shown is for a synthetic polypeptide with sequences found in a zinc finger protein.

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Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=35045
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