Definitions for peptide
ˈpɛp taɪdpep·tide

Princeton's WordNetRate this definition:0.0 / 0 votes

1. peptidenoun

   amide combining the amino group of one amino acid with the carboxyl group of another; usually obtained by partial hydrolysis of protein

WiktionaryRate this definition:0.0 / 0 votes

1. peptidenoun

   A class of organic compounds consisting of various numbers of amino acids in which the amine of one is reacted with the carboxylic acid of the next to form an amide bond.

2. peptidenoun

   The peptide bond itself.

3. Etymology: From πεπτός.

WikipediaRate this definition:0.0 / 0 votes

1. Peptide

   Peptides (from Ancient Greek πεπτός (peptós) 'digested', from πέσσειν (péssein) 'to digest') are short chains of amino acids linked by peptide bonds. Long chains of amino acids are called proteins. Chains of fewer than twenty amino acids are called oligopeptides, and include dipeptides, tripeptides, and tetrapeptides. A polypeptide is a longer, continuous, unbranched peptide chain. Hence, peptides fall under the broad chemical classes of biological polymers and oligomers, alongside nucleic acids, oligosaccharides, polysaccharides, and others. A polypeptide that contains more than approximately 50 amino acids is known as a protein. Proteins consist of one or more polypeptides arranged in a biologically functional way, often bound to ligands such as coenzymes and cofactors, or to another protein or other macromolecule such as DNA or RNA, or to complex macromolecular assemblies.Amino acids that have been incorporated into peptides are termed residues. A water molecule is released during formation of each amide bond. All peptides except cyclic peptides have an N-terminal (amine group) and C-terminal (carboxyl group) residue at the end of the peptide (as shown for the tetrapeptide in the image).

ChatGPTRate this definition:0.0 / 0 votes

1. peptide

   A peptide is a compound consisting of two or more amino acids linked in a chain through peptide bonds. They are smaller than proteins and often act as biological signaling molecules in the body, carrying out crucial functions such as regulating digestion, activating the immune system, and providing anti-inflammatory effects. They can be found in all living organisms and play a key role in biological activity.

WikidataRate this definition:1.0 / 2 votes

1. Peptide

   Peptides are short chains of amino acid monomers linked by peptide bonds, the covalent chemical bonds formed when the carboxyl group of one amino acid reacts with the amino group of another. Peptides are distinguished from proteins on the basis of size, and as a benchmark can be understood to contain approximately 50 amino acids or less. The shortest peptides are dipeptides, consisting of 2 amino acids joined by a single peptide bond, followed by tripeptides, tetrapeptides, etc. A polypeptide is a long, continuous, and unbranched peptide chain. Hence, peptides fall under the broad chemical classes of biological oligomers and polymers, alongside nucleic acids, oligo- and polysaccharides, etc. Proteins consist of one or more polypeptides arranged in a biologically functional way, often bound to ligands such as coenzymes and cofactors, or to another protein or other macromolecule, or to complex macromolecular assemblies. Finally, while aspects of the techniques that apply to peptides versus polypeptides and proteins differ, the size boundaries that distinguish peptides from polypeptides and proteins are not hard and fast: long peptides such as amyloid beta have been referred to as proteins, and smaller proteins like insulin have been considered peptides.

Editors ContributionRate this definition:0.0 / 0 votes

1. peptide

   A type of matter.

   The peptide hormone is glucose.

   
   

   Submitted by MaryC on March 7, 2020  

Matched Categories

1. • Amide

How to pronounce peptide?

1. Alex

   US English

   David

   US English

   Mark

   US English

   Daniel

   British

   Libby

   British

   Mia

   British

   Karen

   Australian

   Hayley

   Australian

   Natasha

   Australian

   Veena

   Indian

   Priya

   Indian

   Neerja

   Indian

   Zira

   US English

   Oliver

   British

   Wendy

   British

   Fred

   US English

   Tessa

   South African

How to say peptide in sign language?

Numerology

1. Chaldean Numerology

   The numerical value of peptide in Chaldean Numerology is: 8

2. Pythagorean Numerology

   The numerical value of peptide in Pythagorean Numerology is: 3

Examples of peptide in a Sentence

1. Joshy Jacob:

   The frog makes this peptide for its own survival. It never gets influenza.

2. Louise Rollins-Smith:

   The peptide described in the Immunity report is somewhat unusual because of the apparent specificity, if further studies show that it has a low level of cytotoxicity and it can protect in other animal models of influenza, it could be developed as a potential treatment for influenza.

3. Joshy Jacob:

   You have the message and then you have the little stem that holds it up. The message can change but the stem is the same, and this peptide targets the stem of the hemagglutinin, that's why it's very efficient.

4. Joshy Jacob:

   This peptide works by directly killing the virus, and it is specific for all influenza viruses that have a H1 type of hemagglutinin.

5. Mansoor Husain:

   This is the first orally-available GLP-1 (glucagon-like peptide-1) receptor agonist and that's a pretty big deal, just being able to take a pill every day makes it much more accessible.

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References

1. ^ Princeton's WordNet
   http://wordnetweb.princeton.edu/perl/webwn?s=peptide
2. ^ Wiktionary
   https://en.wiktionary.org/wiki/Peptide
3. ^ Wikipedia
   https://en.wikipedia.org/wiki/Peptide
4. ^ ChatGPT
   https://chat.openai.com
5. ^ Wikidata
   https://www.wikidata.org/w/index.php?search=peptide