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Re: [ccp4bb]: problems with cif2mtz



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Hi Martyn,

Sorry about that -- wrong directory.  The structure factor file should  
be hiv-protease (1G35):

	ftp://ftp.rcsb.org/pub/pdb/data/structures/all/structure_factors/ 
r1g35sf.ent.Z

Mark

On Monday, April 14, 2003, at 04:44 PM, M.D.Winn wrote:

>
>
> As far as I can see, entry r1aacsf doesn't contain
> a _refln.status column ?!
>
> Martyn
>
>>
>> ***  For details on how to be removed from this list visit the  ***
>> ***          CCP4 home page http://www.ccp4.ac.uk         ***
>>
>>
>> --Apple-Mail-2--989291867
>> Content-Transfer-Encoding: 7bit
>> Content-Type: text/plain;
>> 	delsp=yes;
>> 	charset=US-ASCII;
>> 	format=flowed
>>
>> Hello all,
>>
>> I'm having some problems with cif2mtz.  The program seems to ignore  
>> the
>> _refln.status line in my cif file, producing an mtz file with the
>> following description:
>>
>>   Col Sort    Min    Max    Num      %     Mean     Mean   Resolution
>> Type Column
>>   num order               Missing complete          abs.   Low    High
>>      label
>>
>>     1 ASC      0      32      0  100.00     11.6     11.6  24.62    
>> 1.80
>>   H  H
>>     2 NONE     0      48      0  100.00     18.9     18.9  24.62    
>> 1.80
>>   H  K
>>     3 NONE     0      25      0  100.00      9.6      9.6  24.62    
>> 1.80
>>   H  L
>>     4 BOTH     ?       ?  19059    0.00      ?        ?  -999.00    
>> 0.00
>>   I  FREE
>>     5 NONE   14.9  2513.0     0  100.00   317.66   317.66  24.62    
>> 1.80
>>   F  FP
>>     6 NONE    2.4   207.7     0  100.00    18.95    18.95  24.62    
>> 1.80
>>   Q  SIGFP
>>
>> The _refln.status fields of the .cif file are either 0 (working set)  
>> or
>> 1 (free set), which appears to be a CIF file format standard.  I've
>> only noticed this because I hand-checked the .mtz file produced by
>> running the "convert to mtz and standardize" set of programs in CCP4i
>> 4.2.2.  Although I stated to "keep existing rfree data", it actually
>> generated a completely new set of rfree flagged reflections.  It
>> appears that this problem resulted from the original importing error  
>> of
>> cif2mtz.  I've been working with the CIF file for amicyanin (1AAC) at:
>>
>> 	ftp://ftp.rcsb.org/pub/pdb/data/structures/all/structure_factors/
>> r1aacsf.ent.Z
>>
>> And can be reproduced by the command:
>>
>> 	uncompress r1aacsf.ent.Z
>> 	mv r1aacsf.ent r1aacsf.cif
>>
>> then
>>
>> 	cif2mtz hklin r1aacsf.cif hklout foo.mtz << EOF
>> 	CELL 58.500   86.900   46.900  90.00  90.00  90.00
>> 	SYMM P21212
>> 	END
>> 	EOF
>>
>> Has anyone experienced this problem before?  Or know a work around?
>>
>> Mark
>>
>> Mark DePristo
>> Ph.D. Candidate
>> Dept. of Biochemistry
>> Cambridge University
>> mdepristo@cryst.bioc.cam.ac.uk
>> http://www-cryst.bioc.cam.ac.uk/~mdepristo/
>> --Apple-Mail-2--989291867
>> Content-Transfer-Encoding: 7bit
>> Content-Type: text/enriched;
>> 	charset=US-ASCII
>>
>> Hello all,
>>
>>
>> I'm having some problems with cif2mtz.  The program seems to ignore
>> the _refln.status line in my cif file, producing an mtz file with the
>> following description:
>>
>>
>> <fontfamily><param>Courier</param> Col Sort    Min    Max    Num
>> %     Mean     Mean   Resolution   Type Column
>>
>>  num order               Missing complete          abs.   Low    High
>> label
>>
>>
>>    1 ASC      0      32      0  100.00     11.6     11.6  24.62   1.80
>> H  H
>>
>>    2 NONE     0      48      0  100.00     18.9     18.9  24.62   1.80
>> H  K
>>
>>    3 NONE     0      25      0  100.00      9.6      9.6  24.62   1.80
>> H  L
>>
>>    4 BOTH     ?       ?  19059    0.00      ?        ?  -999.00   0.00
>> I  FREE
>>
>>    5 NONE   14.9  2513.0     0  100.00   317.66   317.66  24.62   1.80
>> F  FP
>>
>>    6 NONE    2.4   207.7     0  100.00    18.95    18.95  24.62   1.80
>> Q  SIGFP</fontfamily>
>>
>>
>> The _refln.status fields of the .cif file are either 0 (working set)
>> or 1 (free set), which appears to be a CIF file format standard.  I've
>> only noticed this because I hand-checked the .mtz file produced by
>> running the "convert to mtz and standardize" set of programs in CCP4i
>> 4.2.2.  Although I stated to "keep existing rfree data", it actually
>> generated a completely new set of rfree flagged reflections.  It
>> appears that this problem resulted from the original importing error
>> of cif2mtz.  I've been working with the CIF file for amicyanin (1AAC)
>> at:
>>
>>
>> 	ftp://ftp.rcsb.org/pub/pdb/data/structures/all/structure_factors/ 
>> r1aacsf.ent.Z
>>
>>
>> And can be reproduced by the command:
>>
>>
>> 	uncompress r1aacsf.ent.Z
>>
>> 	mv r1aacsf.ent r1aacsf.cif
>>
>>
>> then
>>
>>
>> 	cif2mtz hklin r1aacsf.cif hklout foo.mtz <<<< EOF
>>
>> 	CELL 58.500   86.900   46.900  90.00  90.00  90.00
>>
>> 	SYMM P21212
>>
>> 	END
>>
>> 	EOF
>>
>>
>> Has anyone experienced this problem before?  Or know a work around?
>>
>>
>> Mark
>>
>>
>> Mark DePristo
>>
>> Ph.D. Candidate
>>
>> Dept. of Biochemistry
>>
>> Cambridge University
>>
>> mdepristo@cryst.bioc.cam.ac.uk
>>
>> http://www-cryst.bioc.cam.ac.uk/~mdepristo/
>> --Apple-Mail-2--989291867--
>>
>>
>
>
> -- 
>
>
> *********************************************************************** 
> ***
> *                                                                       
>   *
> *                  Dr. Martyn Winn                                      
>   *
> *                                                                       
>   *
> *      Daresbury Laboratory, Daresbury, Warrington, WA4 4AD, ENGLAND    
>   *
> *      Tel: +44 1925 603455    E-mail: m.d.winn@ccp4.ac.uk (personal)   
>   *
> *      Fax: +44 1925 603825    E-mail: ccp4@ccp4.ac.uk  (CCP4  
> problems)  *
> *          URL: http://www.ccp4.ac.uk/martyn/martyn.html                
>   *
> *********************************************************************** 
> ***
>

Mark DePristo
Ph.D. Candidate
Dept. of Biochemistry
Cambridge University
mdepristo@cryst.bioc.cam.ac.uk
http://www-cryst.bioc.cam.ac.uk/~mdepristo/