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I only deposited the high-res apo coordinates, but pdb code 2AU3 was solved
from a thulium soaked crystal. In fact, I also used dysprosium to phase
primase from a different bacterium. Go team lanthanide!

On Wed, 1 Apr 2009 15:21:16 +0100, Thomas Womack <[log in to unmask]>
wrote:

>A perusal of the PDB reveals that the game of Periodic Table bingo still
>has eleven rounds to run:
>
>scandium, titanium, germanium, zirconium, niobium, neodymium,
>dysprosium, thulium, hafnium, bismuth and thorium remain absent from PDB
>entries.
...
> There
>must somewhere be a protein with a site that cries out for ThCl2(2+), an
>unexpectedly water-stable cation.