What is a depsipeptide peptide?

What is a depsipeptide peptide?

A depsipeptide is a peptide in which one or more of its amide, -C (O)NHR-, groups are replaced by the corresponding ester, -C (O)OR, Many depsipeptides have both peptide and ester linkages. They are mainly found in marine and microbial natural products.

What are cyclooligomer depsipeptides?

The cyclooligomer depsipeptides (CODs) are a class of nonribosomal peptide produced by a variety of filamentous fungi that have displayed a wide array of bioactivities.179 These compounds are all macrocyclic oligomers of dipeptidols.

How are dipeptidol monomers biosynthesized?

These dipeptidol monomers are biosynthesized by a bimodular NRPS with the A domain of the first module specific for a 2-hydroxy acid and the second specific for an amino acid. The second module also contains a N -methyltransferase domain and the system generally terminates in a third C domain to catalyze the formation of the macrocycle. 179

Is romidepsin a depsipeptide?

There are a number of depsipeptides in nature, especially cyclic depsipeptides such as anticancer agent romidepsin, antibiotic agent etamycin, and anti-HIV agents papuamides A and B. Synthesis of depsipeptides is relatively easier compared with other pseudopeptides.