Stacy,
It looks like it's just some noise on your two-fold symmetry axis.
You could probably model some/most of it with a couple of water molecules.
Tony.
On 19 Jan 2012, at 06:44, stacy William wrote:
> Dear All,
> I am working on plant proteins and solved a structure, there is an extra density which i cannot fix . I am attaching the coot image , can anybody suggest me what it could be
>
> THANKS :)
> <coot1.png><coot2.png>
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