Structures of somatostatin analogs
| Agonists | |
| SS-14 | Ala-Gly-cyclo-[Cys-Lys-Asn-Phe-Phe-Trp-Lys-Thr-Phe-Thr-Ser-Cys] |
| SS-28 | Ser-Ala-Asn-Ser-Asn-Pro-Ala-Met-Ala-Pro-Arg-Glu-Arg-Lys-(SS-14) |
| Cortistatin-17 | Asp-Arg-Met-Pro-cyclo-[Cys-Arg-Asn-Phe-Phe-Trp-Lys-Thr-Phe-Ser-Ser-Cys]Lys |
| Vapreotide | d-Phe-cyclo-[Cys-Tyr-d-Trp-Lys-Val-Cys]-Trp-NH2 |
| Octreotide | d-Phe-cyclo-[Cys-Phe-d-Trp-Lys-Thr-Cys]-Thr-ol |
| [Tyr3]Octreotide | d-Phe-cyclo-[Cys-Tyr-d-Trp-Lys-Thr-Cys]-Thr-ol |
| KE108 | Tyr-cyclo-[d-Dab-Arg-Phe-Phe-d-Trp-Lys-Thr-Phe] |
| SOM230 | cyclo-[Dec-HyPro-Phg-d-Trp-Lys-Tyr(Bzl)-Phe] |
| Antagonists | |
| Coy-14 | Cpa-cyclo-[d-Cys-Tyr-d-Trp-N-methyl-Lys-Thr-Cys]-Nal-NH2 |
| CYN-154806 | Acetyl-4NO2-Phe-cyclo-[d-Cys-Tyr-d-Trp-Lys-Thr-Cys]-d-Tyr-NH2 |
Cpa, 3-(4-chlorophenyl)alanine; Dab, diaminobutyric acid; Dec, diaminoethylcarbamoyl; HyPro, hydroxyproline; Nal, 3-(2-naphthyl)alanine; Phg, phenylglycine; Tyr(Bzl), (4-O-benzyl)-l-tyrosine.