Question
Discuss the structure of G-proteins.
Answer :
Word Count : 224
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G-proteins, or guanine nucleotide-binding proteins, are crucial components in cellular signaling pathways. They consist of three subunits: alpha (α), beta (β), and gamma (γ). The α-subunit binds and hydrolyzes GTP (guanosine triphosphate), acting as a molecular switch. In its active state, GTP binds to the α-subunit, while in its inactive state, the α-subunit binds GDP (guanosine diphosphate). The β- and γ-subunits are tightly associated and help anchor the protein to the cell membrane. They also play a role in the regulation and functioning
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