Amino Acid Sequence: Ac-Nle-cyclo[Asp-His-D-Phe-Arg-Trp-Lys]-OH

• Nle: Norleucine

• Asp: Aspartic acid

• His: Histidine

• D-Phe: D-phenylalanine (a chiral variation of phenylalanine)

• Arg: Arginine

• Trp: Tryptophan

• Lys: Lysine

Molecular Formula: $C_{50}H_{68}N_{14}O_{10}$

Molar Mass: 1025.2 g/mol

Structure Type: It is a cyclic peptide, meaning the amino acids are linked in a ring-like structure (specifically between the Asp and Lys residues).