Peptide

File:Drosomycin.svg

Drosomycin structure

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Peptide synthesis process

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Protein-peptide interaction

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Tripeptide Val-Gly-Ala formula

A Peptide is a short chain of amino acids that are linked together, and can be thought of as a small protein. Peptides are formed by the process of protein biosynthesis in the body. They play a crucial role in fundamental physiological and biochemical functions of life. For decades, peptides have been used therapeutically in the treatment of a variety of health conditions.

Structure and synthesis

Peptides are synthesized by the process of peptide bond formation. This process involves the elimination of a water molecule during the formation of the bond. The peptide bond is formed between the carboxyl group of one amino acid and the amino group of another.

Functions

Peptides have a wide range of functions in the body, depending on the types of amino acids involved in the formation of the peptide. Some peptides act as neurotransmitters, while others act like hormones. Many peptides influence and control how our bodies react to diet and exercise.

Types of Peptides

There are many types of peptides, which can be classified according to their sources and functions. Some of the most common types include Milk peptides, Ribosomal peptides, Nonribosomal peptides, Peptones, Peptide fragments, Peptide sequences, and Peptoids.

Therapeutic use

Peptides have been used therapeutically for decades. They are used in the treatment of various health conditions, including cancer, diabetes, obesity, neurological disorders, and infectious diseases.

See also

• Protein
• Amino acid
• Peptide bond
• Protein biosynthesis