Which of the following proteins would most likely be classified as a coactivator?

Which of the following proteins would most likely be classified as a coactivator?

Which of the following proteins would most likely be classified as a coactivator? 150 150 Nyagu

Question Description
I’m working on a biology question and need an explanation to help me understand better.

Which of the following proteins would most likely be classified as a coactivator?

A histone acetyl transferase.

TFIID.

A DNA methyl-binding protein.

H2A.