Peptide
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Peptides (from Gr.: πεπτός, peptós "digested"; derived from πέσσειν, péssein "to digest") are short chains of amino acid monomers linked by peptide (amide) bonds.
The covalent chemical bonds are formed when the carboxyl group of one amino acid reacts with the amino group of another. The shortest peptides are dipeptides, consisting of 2 amino acids joined by a single peptide bond, followed by tripeptides, tetrapeptides, etc. A polypeptide is a long, continuous, and unbranched peptide chain. Hence, peptides fall under the broad chemical classes of biological oligomers and polymers, alongside nucleic acids, oligosaccharides and polysaccharides, etc.
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See also
- Argireline
- Beefy meaty peptide
- Bis-peptide
- CLE peptide
- Epidermal growth factor
- Journal of Peptide Science
- Lactotripeptides
- Multifunctional peptides
- Neuropeptides
- Palmitoyl pentapeptide-4
- Pancreatic hormone
- Peptide Spectral Library
- Peptide synthesis
- Peptidomimetics (such as peptoids and β-peptides) to peptides, but with different properties.
- Protein tag, describing addition of peptide sequences to enable protein isolation or detection
- Replikins
- Ribosome
- Translation
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