You may write Polish if you wish - it's case insensitive :-)

Sent from my iPhone

> On 26 Aug 2014, at 21:37, Harry Powell <ha...@mrc-lmb.cam.ac.uk> wrote:
> 
> hi Jacob
> 
> You'd have to ask Phil Evans for the definitive answer, but my understanding 
> is that it's a tribute to the developers of an integration and scaling 
> package which isn't distributed by CCP4 (and which doesn't come from the MPI 
> either).
> 
> Harry
> --
> Dr Harry Powell, MRC Laboratory of Molecular Biology, Francis Crick Avenue, 
> Cambridge Biomedical Campus, Cambridge, CB2 0QH
> Chairman of European Crystallographic Association SIG9 (Crystallographic 
> Computing)
> 
>> On 26 Aug 2014, at 19:44, "Keller, Jacob" <kell...@janelia.hhmi.org> wrote:
>> 
>> I’ve chuckled at the “polish” nomenclature before, as I assumed this was a 
>> reference to certain software developers, but if so, shouldn’t it be 
>> “Polish?” Or does it mean polish, in the sense of shoe polish?
>>  
>> JPK
>>  
>> From: CCP4 bulletin board [mailto:CCP4BB@JISCMAIL.AC.UK] On Behalf Of Harry 
>> Powell
>> Sent: Tuesday, August 26, 2014 2:32 PM
>> To: CCP4BB@JISCMAIL.AC.UK
>> Subject: Re: [ccp4bb] Problems about i
>>  
>> hi
>>  
>> (1) provided the predictions match the spots (i.e. indexing etc has been 
>> successful) the best things to look at in the Integration task initially are 
>> the graphs - if they vary reasonably smoothly, and there are no big jumps 
>> then things have probably gone okay. 
>>  
>> (2) Really, the only way to reduce the mosaicity is to grow better crystals. 
>> Are you getting much larger values than with hkl2000? How many overlaps are 
>> you getting (both as the overall number and as a fraction of the whole?); 
>> there may be nothing wrong at all...
>>  
>> (3) For everything apart from finding the heavy atom sub-structure with 
>> SHELXC/D/E, you want the MTZ file from ctruncate (so this is the one you 
>> want for molecular replacement). 
>>  
>> For SHELXC/D/E, you really want unmerged F^2 values which can be obtained by 
>> using the Aimless option "output polish unmerged" (as a processing option 
>> under "Integration").
>> 
>> HTH
>> 
>> Harry
>> --
>> Dr Harry Powell, MRC Laboratory of Molecular Biology, Francis Crick Avenue, 
>> Cambridge Biomedical Campus, Cambridge, CB2 0QH
>> Chairman of European Crystallographic Association SIG9 (Crystallographic 
>> Computing)
>> 
>> On 26 Aug 2014, at 16:51, 陈昂 <angsc...@outlook.com> wrote:
>> 
>> Dear all:
>>  
>> It is my first time to use IMOSFLM  instead of HKL2000. Here are my 
>> problems. Hope you can help me.
>>  
>> 1、what parameters can indicate the result quality of my imosflm?  mosaicity 
>> ,anything else?
>>  
>> 2、what can I do to reduce the mosaicity and decrease bad spots,resolution or 
>> the spot finding range?
>>  
>> 3、after imosflm, I've got some MTZ maps such as original one and pointless 
>> one,aimless one, ctruncate one. Which one should I take to the next 
>> step?what steps do I need to take before  molecular replacement and why?
>>  
>>  
>> THANKS a lot
>>  
>>  
>> Peter Chen

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