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

---

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

See Examples For:

peptide bond

Figure 15.16 A peptide bond links the carboxyl end of one amino acid with the amino end of another, expelling one water molecule.

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

Each amino acid is attached to another amino acid by a covalent bond, known as a peptide bond, which is formed by a dehydration reaction.

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

Pauling had cracked the a-helix by ruthlessly following up his knowledge that the peptide bond was flat.

From "Double Helix" by James D. Watson