What is a key feature of G-protein coupled receptors?
Understand the Problem
The question is asking for information regarding G-protein coupled receptors and seeks to identify a significant characteristic that defines them.
Answer
Seven-transmembrane domain structure.
A key feature of G-protein-coupled receptors (GPCRs) is that they have a seven-transmembrane domain structure, allowing them to transduce extracellular signals into cellular responses.
Answer for screen readers
A key feature of G-protein-coupled receptors (GPCRs) is that they have a seven-transmembrane domain structure, allowing them to transduce extracellular signals into cellular responses.
More Information
G-protein-coupled receptors are involved in many physiological processes by responding to a diverse range of ligands, such as light, odors, hormones, and neurotransmitters. They play critical roles in cell signaling pathways.
Tips
A common mistake is to confuse the function of the seven-transmembrane domain with other protein or receptor types, each having distinct structural features.
Sources
- G Protein Coupled Receptors (video) - Khan Academy - khanacademy.org
- Structure-Function of the G-protein-Coupled Receptor Superfamily - pmc.ncbi.nlm.nih.gov
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