Which of the following DNA-binding proteins contain a helix-turn-helix domain?
A)LacI repressor
B)TrpR repressor
C)AraC activator
D)$\lambda$ and Cro repressor
E)All of the answer options are correct.

Question

Quizplus · Accepted Answer

All of the listed proteins (LacI repressor, TrpR repressor, AraC activator, and λ Cro repressor) contain a helix-turn-helix (HTH) domain, which is a common motif used by DNA-binding proteins to recognize specific DNA sequences.

Which of the Following DNA-Binding Proteins Contain a Helix-Turn-Helix Domain λ\lambdaλ

Which of the Following DNA-Binding Proteins Contain a Helix-Turn-Helix Domain $\lambda$