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This enzyme participates in fatty acid and amino acid metabolism

The mechanisms are different enough that interactions are unpredictable

oxidation of methionine, cysteine, and tryptophan residues under aerobic conditions

GHK-Cu enhances barrier repair and increases the rate of epidermal regeneration following insult. Abdulghani et al., International Journal of Cosmetic Science 4

Characterization of NSPs from patients with PLS revealed a DPP1-independent processing and maturating pathway for NSPs that is catalyzed by at least one DPP1-like protease (48) termed NSP-activating alternative protease (NSP-AAP)

It is also reportedly absorbed intact from the gastrointestinal tract without enzymatic denaturation a property that distinguishes it from the vast majority of peptides of comparable size