For crystallization:

Your xtal may come out a little bit fast. If the condition contain
alcohol,  such as IPA, you may have to modify it.

If you let people know the condition, it may be more helpful.

Also, please check the purity of your protein.

Kevin

On Thu, Jan 26, 2012 at 7:33 AM, Theresa H. Hsu <theresah...@live.com> wrote:
> Dear crystallographers
>
> I have a protein of 90 kDa forming dimers. Crystals formed with microbatch 
> and vapor diffusion method in 24 hours but no diffraction at home source. 
> Dissolved crystals was confirmed to be the protein with mass spec.
>
> Any suggestions to improve diffraction would be welcome.
>
> Thanking you in advance.
>
> Theresa

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