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This study was supported by the Shandong University of Traditional Chinese Medicine Doctoral Student Quality Improvement Innovation Project (YJSTZCX2024018), the Inheritance Studio of Traditional Chinese Medicine Master Zhang Canjia of State Administration of Traditional Chinese Medicine (no.(2010) 59), the Chinese Medicine Science and Technology Project of Shandong Province in 2023 (M-2023031), and the Key Project of Undergraduate Teaching Reform Research in Shandong Province (Z2023292)
It helps brighten skin with fish collagen powder and glutathione
Its composed of three amino acids: glutamine, glycine, and cysteine
GHK-CU, also known as Copper Peptide, is a naturally occurring tripeptide composed of glycine, histidine, and lysine, bonded with a copper ion
The residues in helix 23 (L959, K955) showed a more prominent decrease in peak area upon 1907 titration compared to those in helix 14 (I936, K1032), suggesting that helix 23 binding could be stronger than helix 14
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