---
title: "Agonist: research glossary | Sable Peptides"
description: "An agonist is a substance that binds to a receptor and activates it, producing a biological response. Full agonists produce the maximal response, while par"
canonical: https://www.sablepeptides.co.uk/glossary/agonist
publisher: Sable Peptides Limited (UK company 17488610)
note: Research use only. Not for human or veterinary use.
---

Glossary

# Agonist

An agonist is a substance that binds to a receptor and activates it, producing a biological response. Full agonists produce the maximal response, while partial agonists produce a submaximal response even at full occupancy. Many synthetic peptide analogues are characterised as agonists in receptor assays.

Source: [en.wikipedia.org](https://en.wikipedia.org/wiki/Agonist)

## Related terms

-   [Peptide](/glossary/peptide)
-   [Receptor](/glossary/receptor)

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