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Native mammalian peptidases are built to cleave L-amino-acid bonds, so the D-residue makes dermorphin resistant to rapid degradation and the frog builds it by a novel post-translational reaction that converts an L-alanine, encoded normally in the gene, into its D-isomer [2]
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TB-500: The Peptide Linked to Muscle and Soft Tissue Recovery TB-500 (Thymosin Beta-4 fragment) has become a prominent peptide in research focused on tissue recovery, thanks to its relation to the natural peptide Thymosin Beta-4
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