Characteristics of Metallopeptides
| Metallopeptide | IC50 (nmol/L) | Peptide charge | Log D |
| 64/natCu-NODAGA-LM3 | 6.7 ± 1.5 | 0 | −2.02 ± 0.01 |
| 64/natCu-CB-TE2A-LM3 | 4.2 ± 1.6 | +2 | −1.36 ± 0.25 |
| 68/natGa-NODAGA-LM3 | 1.3 ± 0.3 | +1 | −2.33 ± 0.22 |
| 68/natGa-DOTA-LM3 | 12.5 ± 4.3 | +1 | −2.13 ± 0.01 |
IC50 values are mean ± SEM (n = 2) for sst2, and log D values are mean ± SD (n = 3).