Question
The G-Protein is classified as a heterotrimeric protein because ____.
Answer
The G-Protein is classified as a heterotrimeric protein because it is made up of 3 subunits: α, β, γ.
A G-protein coupled receptor is a membrane receptor that interacts with a special protein called a G-protein.
Extra Note: There are two classes of G proteins. The first function as monomeric small GTPases (small G-proteins), while the second function as heterotrimeric G protein complexes. The latter class of complexes is made up of alpha (α), beta (β) and gamma (γ) subunits.[1] In addition, the beta and gamma subunits can form a stable dimeric complex referred to as the beta-gamma complex .
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