#d-peptide
D-peptide
Class of amino acids
A D-peptide is a small sequence of D-amino acids. Since ribosomes are specific to L-amino acids, D-peptides rarely occur naturally in organisms and are not easily digested or degraded. D-peptide peptidomimetics are D-peptides designed to mimic natural L-peptides that commonly have therapeutic properties. A peptide with secondary structure cannot be mimicked by its retro-inverse, as linking in the reverse order breaks many backbone interactions essential for the secondary structure. An approach to mimicking these peptides is by searching for similar (sidechain) structures in a mirrored copy of the Protein Data Bank for the structured elements, and then linking the sections by retro-inversed versions of the loops found in the original protein.
Mon 17th
Provided by Wikipedia
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