Peptide Stocks List
Symbol | Grade | Name | % Change | |
---|---|---|---|---|
PYC | A | Phylogica Limited | 2.70 | |
IXC | C | Invex Therapeutics Ltd | 0.00 | |
HXL | D | Hexima Ltd | 0.00 | |
PIQ | F | Proteomics International LaboratoriesLtd | -1.47 | |
NSB | F | NEUROSCIENTIFIC BIOPHARMACEUTICALS LTD | 0.00 |
Related Industries: Biotechnology Farm Products
- Peptide
Peptides (from Greek language πεπτός, peptós "digested"; derived from πέσσειν, péssein "to digest") are short chains of between two and fifty amino acids, linked by peptide bonds. Chains of fewer than ten or fifteen amino acids are called oligopeptides, and include dipeptides, tripeptides, and tetrapeptides.
A polypeptide is a longer, continuous, unbranched peptide chain of up to approximately fifty amino acids. Hence, peptides fall under the broad chemical classes of biological polymers and oligomers, alongside nucleic acids, oligosaccharides, polysaccharides, and others.
A polypeptide that contains more than approximately fifty amino acids is known as a protein. Proteins consist of one or more polypeptides arranged in a biologically functional way, often bound to ligands such as coenzymes and cofactors, or to another protein or other macromolecule such as DNA or RNA, or to complex macromolecular assemblies.Amino acids that have been incorporated into peptides are termed residues. A water molecule is released during formation of each amide bond. All peptides except cyclic peptides have an N-terminal (amine group) and C-terminal (carboxyl group) residue at the end of the peptide (as shown for the tetrapeptide in the image).
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