Which of the Following Proteins Do You Expect to Be

Question

Which of the following proteins do you expect to be enriched near the plus end of microtubules?
A) Dynein
B) XMAP215
C) γ-Tubulin
D) Katanin
E) All of the above

Accepted Answer

XMAP215 behaves as a plus-end tracking protein (+TIP), and stabilizes the microtubules by binding near the plus end and lowering catastrophe frequency.