peptide bond

Save This Word!

noun Biochemistry.

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.

QUIZ

WILL YOU SAIL OR STUMBLE ON THESE GRAMMAR QUESTIONS?

Smoothly step over to these common grammar mistakes that trip many people up. Good luck!

Question 1 of 7

Fill in the blank: I can’t figure out _____ gave me this gift.

who

whom

TAKE THE QUIZ TO FIND OUT

Also called peptide linkage.

Origin of peptide bond

First recorded in 1930–35

Words nearby peptide bond

peptalk, peptic, peptic ulcer, peptidase, peptide, peptide bond, peptidolytic, peptize, peptolytic, peptone, peptonize

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use peptide bond in a sentence

The sequences of these letters, joined to each other with peptide bonds, are transcribed and translated from DNA and RNA—or, in the case of SARS-CoV-2, just RNA.
The Dangerous Evolution of the Coronavirus - Issue 95: Escape|Brian Gallagher|January 28, 2021|Nautilus
But yes, I pictured a James Bond-type just sauntering over to her.
‘Archer’ Creator Adam Reed Spills Season 6 Secrets, From Surreal Plotlines to Life Post-ISIS|Marlow Stern|January 8, 2015|DAILY BEAST
Failure to bond to their parents was the prominent reason children were being given away.
Judge: Rehoming Kids Is Trafficking|Tina Traster|December 30, 2014|DAILY BEAST
With no record and no warrants, he was given a four-figure bond by a judge the next morning.
What Would Happen if I Got in White Cop’s Face?|Goldie Taylor|December 30, 2014|DAILY BEAST

Marriage is a bond and a commitment—marrying yourself is ridiculous because you are already married to yourself.
Why Singles Should Say ‘I Don’t’ to The Self-Marriage Movement|Tim Teeman|December 30, 2014|DAILY BEAST
He was released within the hour without a bond on his own recognizance.
What Would Happen if I Got in White Cop’s Face?|Goldie Taylor|December 30, 2014|DAILY BEAST
I have written to her, and to Mrs. Coningsby; and she is perfectly free: every bond is relinquished, but that of the heart.
The Pastor's Fire-side Vol. 3 of 4|Jane Porter
The bond of marriage seemed an accursed thing, the mere slavery of women.
The Unsolved Riddle of Social Justice|Stephen Leacock
Out of a dark porch, ten paces along Bond Street, appeared a burly figure to fall into step a few yards behind Gray.
Dope|Sax Rohmer
A lingering hope was dispelled when, looking right and left along Bond Street, he failed to perceive the missing pair.
Dope|Sax Rohmer
Ten paces along Bond Street he encountered a small, stooping figure which became detached from the shadows of a shop door.
Dope|Sax Rohmer

British Dictionary definitions for peptide bond

peptide bond

noun

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

Scientific definitions for peptide bond

peptide bond

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 (NH2) of another, forming the sequence CONH and releasing water (H2O).