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H-Lys-Thr-Thr-Lys-Ser-OH (KTTKS) (Product: 4025012 Procollagen Type I (212-216)) a subfragment of the carboxy-terminal propeptide of type I collagen (residues 197-241) and represents the minimal sequence shown to stimulate extracellular matrix biosynthesis in fibroblasts

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Release of angiotensin converting enzyme-inhibitory peptides by simulated gastrointestinal digestion of infant formulas

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Specifically, Pickart and Margolina published in Biomolecules summarizing over 150 published studies on GHK-Cus gene regulatory effects, establishing it as the most comprehensively studied copper peptide for extracellular matrix research