peptide

(redirected from Polypeptide chains)
Also found in: Thesaurus, Medical, Encyclopedia.

pep·tide

 (pĕp′tīd′)
n.
Any of various natural or synthetic compounds containing two or more amino acids joined by peptide bonds that link the carboxyl group of one amino acid to the amino group of another.


pep·tid′ic (-tĭd′ĭk) adj.
pep·tid′i·cal·ly adv.

peptide

(ˈpɛptaɪd)
n
(Elements & Compounds) any of a group of compounds consisting of two or more amino acids linked by chemical bonding between their respective carboxyl and amino groups. See also peptide bond, polypeptide

pep•tide

(ˈpɛp taɪd)

n.
a compound containing two or more amino acids in which the carboxyl group of one acid is linked to the amino group of the other.
[1905–10; pept (ic) + -ide]

pep·tide

(pĕp′tīd′)
A chemical compound that is composed of a chain of two or more amino acids and is usually smaller than a protein. Some hormones and antibiotics are peptides.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.peptide - amide combining the amino group of one amino acid with the carboxyl group of another; usually obtained by partial hydrolysis of protein
amide - any organic compound containing the group -CONH2
fibrinopeptide - peptide released from the amino end of fibrinogen by the action of thrombin to form fibrin during clotting of the blood
polypeptide - a peptide containing 10 to more than 100 amino acids
endorphin - a neurochemical occurring naturally in the brain and having analgesic properties
Translations

peptide

[ˈpɛptaɪd]
npeptide m
modif
peptide bond → liaison f peptidique
peptide chain → chaîne f peptidique

peptide

[ˈpɛptaɪd] npeptide m
References in periodicals archive ?
When two polypeptide chains, VHA-VLB and VHB-VLA, linked by the short linkers are expressed in the same cells, dual-functional antigen-binding sites are formed by crossover pairing of the variable light-chains and heavy-chains.
In order to model quaternary structure, several pencil transferase pipe cleaner models can be bundled together to represent a type of protein composed of several polypeptide chains whose job is to bind and transport multiple pencils.
Hair is predominantly composed of keratin polypeptide chains that are made up of amino acid building blocks.
1967) and Weber and Osborne, (1969) have shown that the separation of proteins by polyacrylamide gel electrophoresis in the presence of anionic detergents sodium dodecyl sulphate is dependent on the molecular weight of the polypeptide chains.
Three polypeptide chains alternating with one another are coiled in a left-handed helix to form a helical strand.
Its precursor, fibrinogen, is a 340-kDa glycoprotein composed of 6 polypeptide chains [i.
At right, is a schematic diagram of various cross-linkages between the polypeptide chains in hair.
To explain the nature of the thalassemia syndromes, it is necessary to outline the interplay of the various polypeptide chains of hemoglobin during normal human development.
Proteins are long polypeptide chains ranging from one hundred to several thousand amino acid residues and can adapt to different geometries.
The collagen superfamily today includes at least 27 collagen types with at least 42 distinct polypeptide chains, and > 20 additional proteins with collagen-like domains (Myllyharju and Kivirikko 2004).
Importantly, this gene expression technology can potentially provide the same advantages to the production of therapeutic protein products, including those comprised of multiple subunits or polypeptide chains, such as Factor VIII, a blood clotting factor, as well as chimeric proteins such as TNF-alpha IgG (infliximab).