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Scientific Background and Research Significance Synthetic peptides are essential tools in modern biochemical, pharmaceutical, and molecular biology research

For reconstituted peptide, freezing is contraindicated entirely

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The imidazole nitrogen of the histidine side chain donates one of the three nitrogen ligands to the copper, and the position of histidine at the second residue is what enables the deprotonated amide nitrogen of the preceding Gly-His peptide bond to also coordinate the copper