Are you sure the sequence is right? It looks like tyrosine
Phil
On 24 Nov 2010, at 12:10, Vinson LIANG wrote:
> Dear all,
>
> I'm refining a structure and find some strange triangle density on the oxygen of Ser and Thr at the C terminus. One picture of the strange density is attached here. Could anyone please give me some suggestions on what this could be?
>
> The buffer used during purification is PBS, Tris and NaCl. And crystallization condition contains PEG3,350 and Mg(NO3)2.
>
> Thank you all in advance for any suggestion.
>
> Best,
>
> Vinson Liang
>
>
>
> <triangle_density.gif>
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