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

Question

Quizplus · Accepted Answer

The leucine zipper motif is known to be involved in protein dimer formation but not in direct protein-DNA interactions. The other motifs listed (F1F1F1S1F1F1F10 barrel, helix-turn-helix, homeodomain, and zinc finger) are all involved in direct protein-DNA interactions.

Protein Structural Motifs Often Have General Functions in Common β\betaβ Barrel B) Helix-Turn-Helix C) Homeodomain D) Leucine Zipper E) Zinc

Protein Structural Motifs Often Have General Functions in Common $\beta$ Barrel
B) Helix-Turn-Helix
C) Homeodomain
D) Leucine Zipper
E) Zinc