[ccp4bb]: Ions in the internal protein cavities - addendum 2

[Petr Leiman <leiman@purdue.edu>]

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I did not mentioned the crystallization solution components because
there is not way how that thing could have got into the inside of the
protein through the surrounding hydrophobic jungle. The protein is an
SDS- and urea-resistant trimer. The trimer sits on a crystallographic
three-fold axis in space group R32.

The  crystals were obtained at pH 5.6 and at pH 8.0, with FeCl3 or CeCl
and without them. Buffers - TrisCl and Jeffamine.

Petr