Why Does Rhodopsin Have an Unusually Stable Structure for a GPCR

question 6

Multiple Choice

Why does rhodopsin have an unusually stable structure for a GPCR?

• A)Its ligand is permanently bound to the protein.
• B)A retinal group is permanently bound to the protein.
• C)The protein molecule can only exist in a single conformation in the absence of a stimulus.
• D)The protein molecule can only exist in a single conformation in the dark.
• E)All of these are correct.

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