Why don't you try batch under oil?

2012/11/7 Eva Bligt-Lindén <eva.bl...@abo.fi>

> Dear ccp4 users,
>
> I have a problem in the crystallization of my target protein. Whenever I
> set up a vapour diffusion experiment, either hanging or sitting drops, the
> drops spread out. The surface tension is completely lost in 80-90% of the
> droplets. Have any one experienced something similar? What could be the
> reason for this strange behaviour? I have tried three different commercial
> screens with 96 condition each and there is no difference between the
> screens. There is no difference between manual or robotic setups either.
> The protein buffer is 40 mM Tris, 2 mM MgCl2 buffer, pH 7.4. The buffer
> controls are all ok.
>
> Kind regards,
> Eva
>
> ______________________________**______
>
> Eva Bligt-Lindén (M.Sc.)
> PhD student
> Structural Bioinformatics Laboratory
>
> Department of Biosciences,
> Åbo Akademi University
> BioCity, Tykistökatu 6A
> FI-20520 Turku
> Finland
>

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