Published in
Royal Society of Chemistry, Chemical Communications, 37(51), p. 7867-7870, 2015
DOI: 10.1039/c4cc09642h
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“Anion clamp” allows flexible protein to impose coordination geometry on metal ions
Journal article published in 2015 by
Minji Wang,
Tsz Pui Lai,
Li Wang,
Hongmin Zhang 
,
Nan Yang,
Peter J. Sadler,
Hongzhe Sun
,
Nan Yang,
Peter J. Sadler,
Hongzhe Sun
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Abstract
X-ray crystal structures of human serum transferrin (77 kDa) with YbIII or FeIII bound to the C-lobe and malonate as the synergistic anion show that the large YbIII ion causes the expansion of the metal binding pocket while octahedral metal coordination geometry is preserved, an unusual geometry for a lanthanide ion. © The Royal Society of Chemistry 2015.