Hi,

Thanks a lot for the replies. It seems that Randy¹s solution works fine.

Marie-Ln


Le 6/08/09 13:54, « Randy Read » <[email protected]> a écrit :

> Hi,
> 
> That's actually the last question answered on our FAQ page!
> 
> http://www-structmed.cimr.cam.ac.uk/phaser/faq.html
> 
> Basically, you'll want to change lines like this:
> ATOM      1  P    Gd C   1      23.560  11.045  11.025  1.00 53.18           P
> to lines like this:
> ATOM      1  P     G C   1      23.560  11.045  11.025  1.00 53.18           P
> because Phaser 2.1.4 expects the residue name in one-letter code in column 20.
> 
> We didn't notice, before releasing version 2.1.4, that one effect of the PDB
> remediation was to change the nomenclature for nucleic acid residues, so the
> packing check won't work using files recently obtained from the PDB (where
> deoxy-G is represented as DG in columns 19-20).  This is fixed for version
> 2.2.x (available as part of Phenix nightly builds, and hopefully from an
> upcoming CCP4 release); in the meantime, you'll have to edit recent PDB files
> before running Phaser.
> 
> Best wishes,
> 
> Randy Read
> 
> On 6 Aug 2009, at 11:25, LEDU Marie-Helene 161111 wrote:
> 
>>  Dear CCP4BBer,
>>  
>>  I'm using Phaser 2.1.4 to solve a structure containing both protein and DNA.
>> The packing function works find with the protein, but does not recognize the
>> trace of the DNA. Does anyone know precisely what should be the pdb format ?
>>  Here is the format that I'am using :
>>  ATOM      1  P    Gd C   1      23.560  11.045  11.025  1.00 53.18
>> P  
>>  ATOM      2  OP1  Gd C   1      24.884  10.499  11.417  1.00 54.98
>> O  
>>  ATOM      3  OP2  Gd C   1      22.319  10.778  11.791  1.00 44.44
>> O  
>>  ATOM      4  O5'  Gd C   1      23.716  12.601  10.891  1.00 47.89
>> O  
>>  ATOM      5  C5'  Gd C   1      24.689  13.001   9.945  1.00 42.99
>> C  
>>  ATOM      6  C4'  Gd C   1      24.395  14.391   9.437  1.00 39.27
>> C  
>>  ATOM      7  O4'  Gd C   1      23.172  14.464   8.683  1.00 35.25
>> O  
>>  ATOM      8  C3'  Gd C   1      24.264  15.347  10.617  1.00 36.72
>> C  
>>  ATOM      9  O3'  Gd C   1      25.063  16.487  10.335  1.00 34.52
>> O  
>>  ATOM     10  C2'  Gd C   1      22.807  15.691  10.507  1.00 34.06
>> C  
>>  ATOM     11  C1'  Gd C   1      22.474  15.641   9.080  1.00 27.89
>> C  
>>  ATOM     12  N9   Gd C   1      21.218  15.303   8.921  1.00 20.00
>> N  
>>  ATOM     13  C8   Gd C   1      20.436  14.344   9.523  1.00 20.00
>> C  
>>  ATOM     14  N7   Gd C   1      19.207  14.292   9.056  1.00 20.00
>> N  
>>  ATOM     15  C5   Gd C   1      19.159  15.275   8.076  1.00 20.00
>> C  
>>  ATOM     16  C4   Gd C   1      20.381  15.912   7.978  1.00 20.00
>> C  
>>  ATOM     17  N1   Gd C   1      18.457  16.733   6.390  1.00 20.00
>> N  
>>  ATOM     18  C2   Gd C   1      19.700  17.306   6.353  1.00 20.00
>> C  
>>  ATOM     19  N3   Gd C   1      20.705  16.934   7.129  1.00 20.00
>> N  
>>  ATOM     20  C6   Gd C   1      18.087  15.691   7.242  1.00 20.00
>> C  
>>  ATOM     21  O6   Gd C   1      16.928  15.244   7.199  1.00 20.00
>> O  
>>  ATOM     22  N2   Gd C   1      19.883  18.288   5.476  1.00 20.00
>> N  
>>  
>>  Thanks,
>>  
>>  Marie-Ln
>>  
>>  Laboratoire de Biologie Structurale et Radiobiologie
>>  CEA/DSV/IBiTec-S/SB2SM
>>  bat144, pièce 25
>>  91191 Gif-Sur-Yvette
>>  Tel : 33 (0)1 69 08 71 35
>>  E-mail : [email protected]
>>  -- 
>>  
>>  
>>   
>>   
> 
>  
> ------
> Randy J. Read
> Department of Haematology, University of Cambridge
> Cambridge Institute for Medical Research      Tel: + 44 1223 336500
> Wellcome Trust/MRC Building                   Fax: + 44 1223 336827
> Hills Road                                    E-mail: [email protected]
> Cambridge CB2 0XY, U.K.                       www-structmed.cimr.cam.ac.uk
>  
> 
> 


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