Introduction to peptides
A starter guide explaining what peptides are, how they work, and how they are used in research contexts.
Editorial team · 8 min read · Updated
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What is a peptide?
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Peptides are short chains of amino acids linked by peptide bonds. They sit between single amino acids and full proteins in size, and the boundary is fuzzy — common usage treats anything up to about fifty residues as a peptide.
Why are they interesting in research?
Many peptides are signaling molecules that the body produces naturally. Synthetic analogs let researchers study specific pathways without the full complexity of larger proteins.
A note on framing
AminoCatalog presents information about peptides for research-use purposes only. Nothing here is medical advice.