---
title: "Sequence: research glossary | Sable Peptides"
description: "A peptide sequence is the ordered list of amino acid residues in a peptide, written from the N-terminus to the C-terminus using one-letter or three-letter"
canonical: https://www.sablepeptides.co.uk/glossary/sequence
publisher: Sable Peptides Limited (UK company 17488610)
note: Research use only. Not for human or veterinary use.
---

Glossary

# Sequence

A peptide sequence is the ordered list of amino acid residues in a peptide, written from the N-terminus to the C-terminus using one-letter or three-letter codes. The sequence determines molecular weight, charge, hydrophobicity and folding. Confirming that a synthetic product matches the intended sequence is done by mass spectrometry and sometimes tandem MS sequencing.

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

## Related terms

-   [Peptide](/glossary/peptide)
-   [Amino acid](/glossary/amino-acid)
-   [N-terminus](/glossary/n-terminus)
-   [C-terminus](/glossary/c-terminus)
-   [Hydrophobicity](/glossary/hydrophobicity)
-   [Molecular weight](/glossary/molecular-weight)
-   [Mass spectrometry](/glossary/mass-spectrometry)

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