Dear Sayan,
For interest, the only other example I know of where
diffraction images show two different space groups is presented in a paper by
Zbyszek Dauter et al, Acta Cryst D61, 967-975, 2005, where crystals of the
proteolytic domain of Lon contained superimposed orthorhombic and monoclinic
lattices. At the time (2005) this was the first reported example for proteins
and I have not come across another since then.
Best wishes,
Andrew
> On 28 Jul 2022, at 07:15, Sayan Saha <[email protected]> wrote:
>
> Dear All,
>
> We have collected home-source X-ray intensity data for a protein at 2.6
> Angstrom. The data can be processed in either C2 (a=120, b=80, c=85 and
> beta=115) or P222 (P22121, a=80, b=85, c=110). MR solution can be obtained in
> both the space groups. However, the solution can be refined with an Rw/Rf of
> 29/32% only. The protein is bound to a ligand (co-crystallization) for which
> a clear density can be observed.
>
> Any help and suggestion in this regard would be very helpful.
>
> With best regards,
> Sayan Saha.
>
>
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