Bovine Rhodopsin

The structure of a G-protein coupled receptor is often shown as:


However, the crystal structure of bovine rhodopsin shows that the seven transmembrane-spanning domains actually form a tight core


J. Mol. Biol. (2004) 342, 571–583 https://www.rcsb.org/structure/1U19

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Additional Resources

• 📗 - Biochemistry (Stryer) (affiliate link)
• 📗 - Principles of Biochemistry (Lehninger) (affiliate link)