Dipeptide
Dipeptide
A Dipeptide (pronounced: /daɪˈpɛptaɪd/) is a type of Peptide that is composed of two Amino acids joined by a single Peptide bond. The term originates from the Greek words "di", meaning "two", and "peptos", meaning "digested".
Structure
The structure of a Dipeptide involves two Amino acids linked together by a Peptide bond. This bond is formed through a Condensation reaction, where a molecule of water is released. The resulting structure consists of a Carboxyl group (COOH) at one end, a Amino group (NH2) at the other end, and a Peptide bond (CONH) in the middle.
Function
Dipeptides play a crucial role in various biological processes. They are involved in the regulation of Enzyme activity, Cell signaling, and Protein synthesis. Some Dipeptides also exhibit Antioxidant properties, helping to protect cells from damage.
Related Terms
- Peptide: A compound consisting of two or more amino acids linked in a chain.
- Amino acid: Organic compounds that combine to form proteins.
- Peptide bond: A chemical bond formed between two molecules when the carboxyl group of one molecule reacts with the amino group of the other molecule.
- Condensation reaction: A chemical reaction in which two molecules combine to form a larger molecule, producing a small molecule such as water as a byproduct.
- Carboxyl group: A functional group consisting of a carbon atom double bonded to an oxygen atom and single bonded to a hydroxyl group.
- Amino group: A functional group that consists of a nitrogen atom attached by single bonds to hydrogen atoms.
- Enzyme: Proteins that act as biological catalysts.
- Cell signaling: The process of communication that governs basic activities of cells and coordinates cell actions.
- Protein synthesis: The process by which cells build proteins.
- Antioxidant: A substance that inhibits oxidation, especially one used to counteract the deterioration of stored food products.
External links
- Medical encyclopedia article on Dipeptide
- Wikipedia's article - Dipeptide
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