[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: related cells??
*** For details on how to be removed from this list visit the ***
*** CCP4 home page http://www.dl.ac.uk/CCP/CCP4/main.html ***
Hi,
Use hklview to look at the diffraction patterns, if you print the
h0l zone for both, you will almost certainly see the relationship
straightaway.
In your case the diagonal of the ac plane of one setting is the
same length as the a axis of the other setting, etc. etc. So
they are indeed the same cell, indexed differently in the ac
plane (the b axis is unique, and therefore has to be preserved).
Hope this helps,
Johan
R. Ravishankar wrote:
>
> *** For details on how to be removed from this list visit the ***
> *** CCP4 home page http://www.dl.ac.uk/CCP/CCP4/main.html ***
>
> Dear All,
>
> I have two data sets with cell dimensions
>
> a=118.806 b=126.818 c=85.610 alpha=90. beta=104.166 gamma=90.
> a=128.193 b=127.106 c=85.513 alpha=90. beta=115.994 gamma=90.
>
> both in the space group P21
>
> I have a suspicion that they are the same data indexed in two ways.
>
> can anyone tell me about some program to check it out.
>
> ThanX in advance
>
> ------------------------------------------------------------------
> R.Ravishankar
> Molecular Biophysics Unit
> Indian Institute of Science
> Bangalore - 560 012
> INDIA
>
> Email: rshankar@mbu.iisc.ernet.in
> Phone: 091-80-3346765 Fax: 091-80-3348535
> -----------------------------------------------------------------
--
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Dr. Johan P. Turkenburg X-ray facilities manager
York Structural Biology Laboratory
Chemistry Department Phone (+) 44 1904 432596
University of York Fax (+) 44 1904 410519
York YO1 5DD UK Email: jpt@yorvic.york.ac.uk
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++