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Nonribosomal peptides (NRP) are a class of peptide secondary metabolites, usually produced by microorganisms like bacteria and fungi. Nonribosomal peptides are also found in higher organisms, such as nudibranchs , but are thought to be made by bacteria inside these organisms. [ 1 ]
Non-peptidic antigens are low-molecular-weight compounds that stimulate human Vγ9/Vδ2 T cells. The most potent activator for Vγ9/Vδ2 T cells is ( E )-4-hydroxy-3-methyl-but-2-enyl pyrophosphate ( HMB-PP ), a natural intermediate of the non-mevalonate pathway of isopentenyl pyrophosphate (IPP) biosynthesis.
Peptides are short chains of amino acids linked by peptide bonds. [1] [2] A polypeptide is a longer, ... A common non-ribosomal peptide is glutathione, ...
Peptides are amino acids − the body's building blocks of protein. Understand why athletes use them to get a leg up. ... 54 non-sexual habits that women find super appealing.
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Chemical ligation of unprotected peptides is enabled by formation of an unnatural moiety, i.e. non-peptide bond, linking the two peptide segments in the ligation product. It was envisioned as a general method that would greatly simplify the chemical synthesis of protein molecules and enable the application of the entire repertoire of chemistry ...
This class of peptidomimetics encompasses peptides with a large number of non-natural amino acids, major backbone modifications or larger non-natural building fragments that resemble the conformation of a particular peptide binding motif. [1] Examples involve D-peptide and peptidic foldamers such as beta-peptides.
Lysine. Technically, any organic compound with an amine (–NH 2) and a carboxylic acid (–COOH) functional group is an amino acid. The proteinogenic amino acids are a small subset of this group that possess a central carbon atom (α- or 2-) bearing an amino group, a carboxyl group, a side chain and an α-hydrogen levo conformation, with the exception of glycine, which is achiral, and proline ...