Hi Raphael,

Thank you very much. I tried yesterday with different origins and I have
changed the REFINE(IDXREF) keyword several times as to refine BEAM,
POSITION, DISTANCE... I have to keep trying because fo far I didn't succeed.

I will get back to you once I find what the problem is.

Thank you once again!

Best,

Almudena

El vie., 29 nov. 2019 a las 12:56, R. Gasper-Schönenbrücher (<
raphael.gas...@mpi-dortmund.mpg.de>) escribió:

> Hi Almu,
>
> this is most often the case, when your beam center is not assigned
> correctly. Try to find out the beam center:
>
>
> https://strucbio.biologie.uni-konstanz.de/xdswiki/index.php/Finding_out_ORGX_ORGY
> Another possibilty is that the distance that you get from the
> header/machine is not very accurate. You can try to slightly adjust your
> distance and see, whether this improves your indexing (e.g. instead of 50
> start from 52).
>
> In XDS.INP you can enable distance refinement (as well as beam center
> refinement) throughout all steps. Just remove the "!" in "Refine"
>
> Hope this helps,
>
> Best wishes,
>
> Raphael
>
>
> On 29.11.19 12:48, Almudena Ponce Salvatierra wrote:
>
> Dear all,
>
> I have some data sets that don't want to be processed :p
>
> In one of them, when I look at IDXREF.LP I see virtually none of the found
> spots were indexed and the reason is that they are "too far from the
> expected position". The spots are smeary and elongated, so not the
> prettiest.
>
> I have managed to process so far only one data set with decent statistics
> from another crystal harvested from the same drop, where the diffraction
> spots look better.
>
> I am trying to find in the xds wiki the keyword I should fine tune in
> order to make those spots indexable.
>
> Could you help me please?
>
> Thank you very much in advance.
>
> Best wishes,
>
> Almu
>
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> --
> Dr. Raphael Gasper-Schönenbrücher
> Crystallography and Biophysics Facility
> Max-Planck-Institute of Molecular Physiology
> Room F0.92
> Otto-Hahn-Str. 11
> 44227 Dortmund, Germany
> Tel +49 (0)231-133 2729
>
>

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