This helps!
Thanks a lot!

Lada


On Wed, Mar 26, 2014 at 6:38 PM, Bjørn Panyella Pedersen <[email protected]
> wrote:

> If you just want to ensure that Friedel pairs are not merged, using
> FRIEDEL'S_LAW= FALSE is all you need to do.
>
> "MERGE= FALSE" is not really compatible with the mtz file format, as I
> understand it, and the keyword is ignored when converting to mtz.
>
> See the XDS manual for more details:
> http://xds.mpimf-heidelberg.mpg.de/html_doc/xdsconv_parameters.html#MERGE=
>
> hth
> -Bjørn
>
> --
> Bjørn Panyella Pedersen
> Macromolecular Structure Group
> University of California, San Francisco
>
>
> On 03/26/2014 01:39 PM, Lada Sycheva wrote:
>
>> Dear CCP4BB users,
>>
>> I am trying to convert the XDS_ASCII.HKL file to ccp4 format using
>> XDSCONV in such a way that Friedel pairs are not merged. So, the script
>> for running of XDSCONV includes "FRIEDEL'S_LAW= FALSE", "MERGE= FALSE".
>> However, the resulting .mtz file contains only small fraction of initial
>> number of reflections and, for some reason, they are merged.
>>
>> Here is the excerpt of the XDSCONV.LP:
>>
>> NUMBER OF REFLECTION RECORDS ON INPUT FILE       26833
>> NUMBER OF IGNORED REFLECTIONS (I< -3.0*SIGMA)        0
>> NUMBER OF REFLECTIONS ACCEPTED FROM INPUT FILE    7085
>>
>> NUMBER OF UNIQUE REFLECTIONS ASSIGNED TO TEST SET        0
>> NUMBER OF UNIQUE TEST REFLECTIONS INHERITED              0
>> NUMBER OF UNIQUE TEST REFLECTIONS NEWLY GENERATED        0
>>
>> NUMBER OF REFLECTION RECORDS ON OUTPUT FILE       3985
>> NUMBER OF RECORDS ASSIGNED TO WORKING SET         3985
>> NUMBER OF RECORDS ASSIGNED TO TEST SET               0
>>
>> Here are all the input/output files and script itself:
>> https://drive.google.com/folderview?id=0B_fdXISt5zjYVnptdEgzcVphR00&usp=
>> sharing
>>
>> Any advice on how to make XDSCONV accept all the reflections and to not
>> merge them will be highly appreciated!
>>
>> Lada Sycheva
>>
>> Postdoctoral research fellow
>> Springer lab
>> BCH/HMS
>>
>>
>>
>>
>>
>>
>
>
>

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