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#Question id: 3893


Protein structural motifs often have general functions in common.  Which one of the following motifs is known to be involved in protein dimer formation, but not in direct protein-DNA interactions?

#Section 3: Genetics, Cellular and Molecular Biology
  1. b-barrel 

  2. helix-turn-helix

  3. homeodomain

  4. leucine zipper


Answer:- Option(s): 4


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