Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025
Definition
A tripeptide is a molecule consisting of three amino acids linked by peptide bonds. It serves as a building block for larger proteins and plays crucial roles in biological processes.
5 Must Know Facts For Your Next Test
Tripeptides are formed through the condensation reaction between three amino acids.
They can act as signaling molecules, hormones, or enzymes.
The sequence of amino acids in a tripeptide determines its function and properties.
Glutathione is a well-known tripeptide that helps protect cells from oxidative damage.
Enzymes called peptidases can break down tripeptides into individual amino acids.