Acetate or carbonate? It seems flat, loves arginine and does seem to hbond
with a his...

On Oct 2, 2017 6:06 PM, "Lucas" <[email protected]> wrote:

> I'm in the later stages of solving a structure which contains two
> tetramers in the asymetric unit. I found these two blobs (in
> equivalent positions on each tetramer) with positively charged
> residues around it. Crystallization condition is Magnesium chloride,
> Bis-tris and PEG3350. While the second blob looks like a metal, the
> first one has a weird shape even though they are expected to have the
> same thing. Any ideas?
>
> Lucas
>

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