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Peptide Therapy GuideClear peptide education

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SS-31 vs SS-20: Charge, Sequence, and Aromatic Identity

SS-20 has lower net charge (+2 vs +3), lacks Dmt, and has different residue ordering — resulting in weaker electrostatic driving force for mitochondrial accumulation in cell-based systems and different membrane interaction properties.

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  • SS-20 has lower net charge (+2 vs +3), lacks Dmt, and has different residue ordering — resulting in weaker electrostatic driving force for mitochondrial accumulation in cell-based systems and different membrane interaction properties.

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