---
title: "Ionic bond: research glossary | Sable Peptides"
description: "An ionic bond is an electrostatic attraction between oppositely charged ions. In peptide salts, positively charged amine and guanidinium groups are associa"
canonical: https://www.sablepeptides.co.uk/glossary/ionic-bond
publisher: Sable Peptides Limited (UK company 17488610)
note: Research use only. Not for human or veterinary use.
---

Glossary

# Ionic bond

An ionic bond is an electrostatic attraction between oppositely charged ions. In peptide salts, positively charged amine and guanidinium groups are associated with negatively charged counter-ions such as trifluoroacetate or acetate through ionic interactions. Salt bridges between charged side chains also contribute to peptide structure.

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

## Related terms

-   [Peptide](/glossary/peptide)

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