Which of the following DNA regulatory protein “motifs” consists of one a-helix and one b-sheet, linked by a zinc ion, and usually acting as a polymer of several monomers in the regulation of DNA? the homeo-domain the leucine zipper the zinc finger all of the above none of the above

Biochemistry
6th Edition
ISBN:9781305577206
Author:Reginald H. Garrett, Charles M. Grisham
Publisher:Reginald H. Garrett, Charles M. Grisham
Chapter29: Transcription And The Regulation Of Gene Expression
Section: Chapter Questions
Problem 19P: Figure 29.15 highlights in red the DNA phosphate oxygen atoms. Some of them interact with catabolite...
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Which of the following DNA regulatory protein “motifs” consists of one a-helix and one b-sheet, linked by a zinc ion, and usually acting as a polymer of several monomers in the regulation of DNA?

  1. the homeo-domain
  2. the leucine zipper
  3. the zinc finger
  4. all of the above
  5. none of the above
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