Table 2.
Siderocalin Affinity for Ferric Ent and Salmochelin S4 Analogues at pH 7.4
| Siderocalin Ligand | Kd, nM (esd’s) |
|---|---|
| [FeIII(SERMECAM)]3− | No Binding |
| [FeIII(SER-t-BUCAM)]3− | No Binding |
| [FeIII(TRENCAM)]3− | 0.32(1) |
| [FeIII(TREN(CAM)2(MECAM)]3− | 0.49(6) |
| [FeIII(TREN(CAM)(MECAM)2]3− | 1.93(70) |