"Anion clamp" allows flexible protein to impose coordination geometry on metal ions
Wang, M., Lai, T.P., Wang, L., Zhang, H., Yang, N., Sadler, P.J., Sun, H.(2015) Chem Commun (Camb) 51: 7867-7870
- PubMed: 25854324 
- DOI: 10.1039/c4cc09642h
- Primary Citation of Related Structures:  
4X1B, 4X1D - PubMed Abstract: 
X-ray crystal structures of human serum transferrin (77 kDa) with Yb(III) or Fe(III) bound to the C-lobe and malonate as the synergistic anion show that the large Yb(III) ion causes the expansion of the metal binding pocket while octahedral metal coo ...