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Mimic A Protein's Physical C-Terminal Amide N-Terminal Acetyl

In order to mimic a protein's physical and chemical properties, you should request peptides that have a similar structure and charge to the protein. For peptide sequences that represent the N-terminus we recommend keeping the N-terminus as NH2 like in the protein, and modifying the C-terminus with an amide group to mimic a peptide linkage. For peptide sequences that represent the C-terminus we recommend keeping the C-terminus as COOH like in the protein and modifying the N-terminus with an acetyl group to mimic a peptide linkage. For internal peptides both ends of the peptide should be modified (N-terminal acetyl and C-terminal amide) to mimic both peptide linkages.

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