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Re: [ccp4bb] PHASER packing function with DNA

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Subject: PHASER packing function with DNA
From: LEDU Marie-Helene 161111 Marie-Helene {- dot -} LEDU {- at -} CEA {- dot -} FR
Date: 2009-08-06
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Subject: Re: PHASER packing function with DNA
From: LEDU Marie-Helene 161111 Marie-Helene {- dot -} LEDU {- at -} CEA {- dot -} FR
Date: 2009-08-06

Hi,

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

Marie-Ln


Le 6/08/09 13:54, « Randy Read » 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 : marie-helene.ledu@cea.fr
>> --
>>
>>
>>
>>
>
>
> ------
> 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: rjr27@cam.ac.uk
> Cambridge CB2 0XY, U.K. www-structmed.cimr.cam.ac.uk
>
>
>






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