Peptides are a long chains of amino acids, attached by peptide bonds, in a sequence that involves multiple residues. Chains of less than fifteen amino acids are known as monomer peptides, which include peptides with linkage to multiple residues in the protein. Peptides may be classified into two broad categories on the basis of their length: polypeptide chains and non-monoquetrange peptides. Peptides may be classified as non-bunded and bunded, depending on their residue arrangement. Non-bunded peptides are longer chains, while those that are bunded are shorter chains. Peptides with linkage to other residues in the protein can also be classified into these two categories.
Peptides Synthesis
Peptides have various uses in the medical world for diverse purposes. Peptides are major components of the nucleic acids, DNA and RNA, as well as the enzymes responsible for transcription and translation. Peptides are also involved in signal transduction and metabolism, involving regulation of hundreds of genes expressed in many cells throughout the body. They have important roles in immunity, neuroendocrine development, neurotransmission, cardiovascular physiology, and the immune system.
Peptides can be broken down into single chains and even into multiple peptide chains via several chemical reactions. Peptides have been used both as ingredients in medicinal drugs and in chemicals, such as antibiotics, hormones, neurotransmitters, and enzymes. They are also essential for various enzymes involved in chemical reactions, metabolism, signal transduction and immunity. Peptides may play significant roles in many vital processes in our lives.
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Peptides