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peptide bond

American  

noun

Biochemistry.
  1. a covalent bond formed by joining the carboxyl group of one amino acid to the amino group of another, with the removal of a molecule of water.


peptide bond British  

noun

  1. biochem a chemical amide linkage, –NH–CO–, formed by the condensation of the amino group of one amino acid with the carboxyl group of another

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

peptide bond Scientific  
  1. The chemical bond formed between amino acids, constituting the primary linkage in all protein structures. In a peptide bond, the carboxyl group (COOH) of one amino acid bonds with the amino group (NH 2) of another, forming the sequence CONH and releasing water (H 2 O).


Etymology

Origin of peptide bond

First recorded in 1930–35

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Each amino acid is linked to its neighbors by a peptide bond.

From Textbooks • Jun. 9, 2022

The formation of each peptide bond is catalyzed by peptidyl transferase, an RNA-based enzyme that is integrated into the 50S ribosomal subunit.

From Textbooks • Jun. 9, 2022

The resulting bond—between the carbonyl group carbon atom and the amine nitrogen atom is called a peptide link or peptide bond.

From Textbooks • Feb. 14, 2019

A peptide bond is a covalent bond between two amino acids that forms by dehydration synthesis.

From Textbooks • Jun. 19, 2013

Moreover, he was privy to a discussion in which the fundamental blunder about the shape of the peptide bond was made.

From "Double Helix" by James D. Watson