Polypeptide
File:Tetrapeptide structural formulae v.1.png
Tetrapeptide structural formulae N-terminus (Green) (N-terminus) and C-terminus (Blue) (C-terminus)
A polypeptide is a string or linear chain of amino acids linked together. Amino acids are the basic building blocks of proteins.[1] A single polypeptide chain might make up the entire primary structure of a simple protein;[2] more complex proteins are formed when two or more polypeptides link together. Each protein is a polymer of amino acids.[3][4]
Polypeptides are made when mRNA is translated, a process involving ribosomes, tRNA and amino acids.
Polypeptide Media
Drosomycin, an example of a peptide
- Peptide Synthesis.svg
Solid-phase peptide synthesis on a rink amide resin using Fmoc-α-amine-protected amino acid
- Protein-peptide interaction.png
Example of a protein (orange) and peptide (green) interaction. Obtained from Propedia: a peptide-protein interactions database.
References
- ↑ Abba J. Kastin, ed. (2013). Handbook of Biologically Active Peptides (2nd ed.). Elsevier Science. ISBN 978-0-12-385095-9.
- ↑ Torres AM, Menz I, Alewood PF, et al. (July 2002). "D-Amino acid residue in the C-type natriuretic peptide from the venom of the mammal, Ornithorhynchus anatinus, the Australian platypus". FEBS Letters. 524 (1–3): 172–6. doi:10.1016/S0014-5793(02)03050-8. PMID 12135762. S2CID 3015474.
- ↑ Lua error in Module:Citation/CS1/Identifiers at line 630: attempt to index field 'known_free_doi_registrants_t' (a nil value).
- ↑ Lua error in Module:Citation/CS1/Identifiers at line 630: attempt to index field 'known_free_doi_registrants_t' (a nil value).
