Below Is the Molecular Structure of a Single Bovine $\beta$ -Arrestin Subunit

question 76

Multiple Choice

Below is the molecular structure of a single bovine $\beta$ -arrestin subunit. Two locations are indicated. What is most likely to interact with the protein at these locations?

• A) "\(\beta\)ARK"
• B) "GTP-bound G _\(\alpha\) "
• C) "dephosphorylated GPCR"
• D) "phosphorylated GPCR"

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