Why are G-protein coupled receptors often known as 7TM receptors?
A)They have 7 tyrosine-methionine dipeptides in their structure.
B)They have 7 transmembrane $\beta$-pleated sheets.
C)They have 7 transmembrane $\alpha$--helices.
D)They have 7 methionine-tryptophan dipeptides in their structure.
E)They have 7 nucleotides attached to their structure.

Question

Quizplus · Accepted Answer

G-protein coupled receptors typically have 7 transmembrane helices, which are arranged to form a pocket or cleft for ligand binding. As a result, they are often referred to as 7TM receptors.

Why Are G-Protein Coupled Receptors Often Known as 7TM Receptors β\betaβ

Why Are G-Protein Coupled Receptors Often Known as 7TM Receptors $\beta$