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Receptor

A receptor is a protein, often on the surface of a cell, that works like a lock. A hormone or drug that fits it, like a key, sends a message into the cell. Different cells have different receptors, so the same hormone can do different jobs in different places.

For experts

Receptors are proteins that recognise specific signalling molecules and convert binding into an intracellular response. The GLP-1 receptor is a class B G-protein-coupled receptor (GPCR) that signals mainly through the stimulatory G protein Gs. Studies of G-protein-coupled receptors were recognised by the 2012 Nobel Prize in Chemistry.

Sources (2)

  1. 01The Nobel Prize in Chemistry 2012 - Press release (G-protein-coupled receptors)Royal Swedish Academy of Sciences / NobelPrize.org · 2012-10-10 · accessed 2026-09-29
  2. 02Cryo-EM structure of the activated GLP-1 receptor in complex with a G proteinNature (indexed in PubMed, NCBI/NLM) · 2017-06-08 · accessed 2026-09-29