peptide group

peptide group
the bivalent radical, CO·NH, formed by reaction between the NH2 and COOH groups of adjacent amino acids, and by such linkage building up compounds known as dipeptides, tripeptides, tetrapeptides, etc., depending on the number of amino acids making up the molecule.

Medical dictionary. 2011.

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  • Peptide plane flipping — is a type of conformational change that can occur in proteins by which the dihedral angles of adjacent amino acids undergo large scale rotations with little displacement of the side chains. The plane flip is defined as a rotation of the dihedral… …   Wikipedia

  • Peptide bond — A peptide bond is a chemical bond formed between two molecules when the carboxyl group of one molecule reacts with the amino group of the other molecule, thereby releasing a molecule of water (H2O). This is a dehydration synthesis reaction(also… …   Wikipedia

  • Peptide sequence — or amino acid sequence is the order in which amino acid residues, connected by peptide bonds, lie in the chain in peptides and proteins. The sequence is generally reported from the N terminal end containing free amino group to the C terminal end… …   Wikipedia

  • peptide bond — n the chemical bond between carbon and nitrogen in a peptide linkage * * * the CO NH bond formed between the carboxyl group of one amino acid and the amino group of another; it is an amide linkage joining amino acids to form peptides …   Medical dictionary

  • peptide bond — or peptide linkage n. the bond formed when a carboxyl group of one molecule of an amino acid is condensed with an amino group of a second molecule; the divalent radical CO·NH …   English World dictionary

  • peptide linkage — n the bivalent group CONH that unites the amino acid residues in a peptide …   Medical dictionary

  • peptide — [pep′tīd΄] n. [ PEPT(ONE) + IDE] any of a group of compounds formed from two or more amino acids by the linkage of amino groups of some of the acids with carboxyl groups of others, or by the hydrolysis of proteins …   English World dictionary

  • Peptide synthesis — In organic chemistry, peptide synthesis is the production of peptides, which are organic compounds in which multiple amino acids are linked via peptide bonds which are also known as amide bonds. The biological process of producing long peptides… …   Wikipedia

  • peptide — /pep tuyd/, n. Biochem. 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] * * * Organic compound composed of a series of amino acids linked… …   Universalium

  • peptide bond — noun the primary linkage of all protein structures; the chemical bond between the carboxyl groups and amino groups that unites a peptide • Syn: ↑peptide linkage • Hypernyms: ↑chemical bond, ↑bond * * * noun or peptide linkage …   Useful english dictionary

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