Peptide Bond

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, releasing a molecule of water (H2O).
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peptide bond
[Gk. pepto, to soften, digest]
The covalent bond between two amino acid units, formed by condensation synthesis.
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peptide bond A covalent bond that links two amino acids together to form a polypeptide chain. A covalent bond between the amine end of one amino acid and the acid end of another amino acid. PICTURE
peptides Short chains of amino acids.
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Peptide bond formation
1. Amino acid; 2, zwitterion structure; 3, two amino acids forming a peptide bond. (See also bond.)
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List of standard amino acids ...
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peptide bond. A bond that binds amino acids together into a polypeptide chain, formed by removing an OH from the carboxyl group of one amino acid and an H from the amino group of another to form an amide group _CO_NH_.
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Peptide Bond: A covalent bond between two amino acids, in which the carboxyl group of one amino acid (X1--COOH) and the amino group of an adjacent amino acid (NH2--X2) react to form X1-CO-NH-X2 plus H2O.
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Pepsin cleaves peptide bonds, favoring those on the C-terminal side of tyrosine, phenylalanine, and tryptophan residues. Its action breaks long polypeptide chains into shorter lengths.
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A polymer composed of multiple amino acid units linked by peptide bonds. Polyploid. A multiple of the haploid chromosome number that results from chromosome replication without nuclear division. Polysaccharide.
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peptidase An enzyme that hydrolyzes a peptide bond. peptide Two or more amino acids covalently joined by peptide bonds.
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Ribosomes are also the site of a catalytic activity that is probably responsible for the formation of the peptide bond during protein synthesis.
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Every protein is made up of one or more polypeptide chains, each a series of (typically) several hundred molecules known as amino acids, linked by so-called peptide bonds.
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The oxygen or nitrogen atoms of the peptide bond are capable of hydrogen- bonding with hydrogen atoms elsewhere on the molecule. This bonding produces two common kinds of shapes seen in protein molecules, coils (helices) and pleated sheets.
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Amino acids bind by forming a peptide bond.
Linear polymers of amino acids are called polypeptides.
Large polypeptides are called proteins.
A restricted set of 20 amino acids constitute the universal building blocks of proteins.
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Protease. An enzyme that cleaves peptide bonds that link amino acids in protein molecules.
Protein. A polymer of amino acids linked via peptide bonds and which may be composed of two or more polypeptide chains. (See Polypeptide.) ...
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Schulze-Kremer's GA used real-valued numbers to represent the so-called "torsion angles" between the peptide bonds that connect amino acids.
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An enzyme that cleaves peptide bonds that link amino acids in protein molecules.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ...
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a chain of covalently linked amino acids joined by peptide bonds
Source: Jenkins, John B. 1990. Human Genetics, 2nd Edition. New York: Harper & Row
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N- or C-terminal The amino acids which form polypeptides are joined by peptide bonds between the amino group of one amino acid and the carboxy group of the next.
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proteases - enzymes, such as trypsin, that degrades proteins by hydrolyzing some of their peptide bonds.
protein kinases - Enzyme that transfers the terminal phosphate group of ATP to a specific amino acid of a target protein ...
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Two or more amino acids joined by a peptide bond.
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A long chain of amino acids joined by peptide bonds. Cf. peptide.
Related Terms: Amino acid ...
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Intein
Selfish DNA elements located within coding regions that are translated with the interrupted protein, but then catalyze their own excision and the formation of a peptide bond between the flanking protein regions.
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Common secondary 3-dimensional structure of proteins in which the linear sequence of amino acids is folded into a spiral that is stabilized by hydrogen bonds between the carboxyl oxygen of each peptide bond.
Ab
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gene prediction ...
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