Heterochiral peptide-complex and composition for measuring nuclear magnetic resonance spectroscopy residual dipolar coupling containing self-assembled intermediates of heterochiral peptide-complex

A peptide complex comprising:

• a peptide represented by General Formula 1 or 2, comprising a heterochiral amino acid;
• and a compound represented by Chemical Formula 1, bound to one end of the peptide:
• [Y1]a-{-[X1]b-[Y2]c}d-[X2]e [General Formula 1]
• [X1]f-{-[Y1]g-[X2]h}i-[Y2]j [General Formula 2]
• wherein
• each of X1 and X2, which are identical to or different from each other, is independently any one selected from D-Trp, D-Phe, D-Tyr, D-Val, D-Leu and D-Ile,
• each of Y1 and Y2, which are identical to or different from each other, is independently any one selected from L-Trp, L-Phe, L-Tyr, L-Val, L-Leu and L-Ile, and
• each of a, f, e and j is independently an integer selected from 0 to 2, each of b, c, g and h is independently an integer selected from 1 to 5, each of d and i is independently an integer selected from 1 to 10
• wherein each of n and m is independently an integer selected from 1 to 12.