Table 1: Inhibitory Activity of the Retro -D-Sequence of DArg-D-Phe Peptides - Modified on the α-Amino Group of Arginine

Compounds IC50 µM Ki µM
1 Cbz-D-Arg-D-Phe-OMe 110 42± 5
2 Chrom-D-Arg-D-Phe-OMe* 56 14,35
± 0,92
3 Laur-D-Arg-D-Phe-OMe -//- 1,76
± 0,09

* Inhibitory effect was studied in the same buffer containing 3% DMSO in final concentration.