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This process helps support peptide stability during transportation, storage, and laboratory handling
[19] The enzymes that use B 12 as a built-in cofactor are methylmalonyl-CoA mutase (PDB 4REQ [43] ) and methionine synthase (PDB 1Q8J)
The answer is
It differs from GHK-Cu by a single amino acid at position one, a substitution that shifts its receptor affinity more specifically toward hair follicle tissue
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