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Bioactive peptides are important therapeutic drugs, yet conventional methods of peptide synthesis are challenged to meet increasing demand. We developed a novel and efficient means of metabolic engineering: therapeutic peptide production in Drosophila and as a proof of concept, we demonstrate production of fully matured human insulin. This in vivo system offers an innovative means to produce valuable...
A key factor in the characterization of peptide transmitters used in neuronal signaling is the correct elucidation of post-translational modifications, especially as they are often required to confer biological activity. A rare carboxylation modification is described on the D-peptide from the insulin prohormone in the sea slug, Aplysia californica. Using liquid chromatography purification coupled...
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