[PyMOL] symmetry operation to generate the whole virus particle

2013-02-28 Thread yp sun
Dear pymol users:
 
Usually pymol can show only one chain when you open a pdb file of virus 
particles (such as 2buk,1sva, etc.). I am trying to create the whole virus 
particle and I know it may need applying symmetry operations. And these 
symmetry operation has been given in the pdb files. For example, the follow is 
the symmetry operation of 2buk:
 
REMARK 350  
REMARK 350 GENERATING THE BIOMOLECULE   
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN   
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE    
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS  
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND  
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.   
REMARK 350  
 
But I don't understand how to do symmetry operations. Can pymol do these or 
other software is needed? Please help.

Yeping Sun
CAS Key Laboratory of Pathogenic Microbiology  Immunology
INSTITUTE OF MICROBIOLOGY CHINESE ACADEMY OF SCIENCES 
NO.1 Beichen West Road,Chaoyang District,Beijing 100101,china--
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Re: [PyMOL] symmetry operation to generate the whole virus particle

2013-02-28 Thread Folmer Fredslund
Hi Yeping,

Searching for pymol biomt gives this page on the pymol wiki:

http://www.pymolwiki.org/index.php/BiologicalUnit

Should have all the information you need.

Best regards,
Folmer



2013/2/28 yp sun sunyep...@yahoo.com.cn

 Dear pymol users:

 Usually pymol can show only one chain when you open a pdb file of virus
 particles (such as 2buk,1sva, etc.). I am trying to create the whole virus
 particle and I know it may need applying symmetry operations. And these
 symmetry operation has been given in the pdb files. For example, the follow
 is the symmetry operation of 2buk:

 REMARK
 350
 REMARK 350 GENERATING THE
 BIOMOLECULE
 REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE
 KNOWN
 REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF
 THE
 REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT
 TRANSFORMATIONS
 REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC
 AND
 REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE
 GIVEN.
 REMARK
 350

 But I don't understand how to do symmetry operations. Can pymol do these
 or other software is needed? Please help.

 Yeping Sun
 CAS Key Laboratory of Pathogenic Microbiology  Immunology
 INSTITUTE OF MICROBIOLOGY CHINESE ACADEMY OF SCIENCES
 NO.1 Beichen West Road,Chaoyang District,Beijing 100101,china


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Re: [PyMOL] symmetry operation to generate the whole virus particle

2013-02-28 Thread Thomas Holder
Hi Yeping and Troels,

symexp is unlikely to give you the REMARK 350 biomolecule, it is for
generating neighboring symmetry mates of the crystallographic packing.

The following scripts from the PyMOLWiki can read REMARK 350 and
generate the biological unit:

http://pymolwiki.org/index.php/Psico - biomolecule command
http://pymolwiki.org/index.php/BiologicalUnit/Quat
http://pymolwiki.org/index.php/BiologicalUnit

Remember that you can also fetch the biomolecule as type=pdb1 for most
structures. Example:

fetch 2cas, type=pdb1, async=0
as ribbon
set all_states

Hope that helps.

Cheers,
  Thomas

Troels Emtekær Linnet wrote, On 02/28/13 11:38:
 You are probably looking for this:
 
 http://pymolwiki.org/index.php/Symexp
 
 Or else you can do it in CCP4.
 Coordinate utilities - Edit PDB file -Use pdbset - generate chains
 via symmetry operations
 
 Troels Emtekær Linnet
 Ved kløvermarken 9, 1.th http://1.th
 2300 København S
 Mobil: +45 60210234
 
 
 2013/2/28 yp sun sunyep...@yahoo.com.cn mailto:sunyep...@yahoo.com.cn
 
 Dear pymol users:
  
 Usually pymol can show only one chain when you open a pdb file of
 virus particles (such as 2buk,1sva, etc.). I am trying to create the
 whole virus particle and I know it may need applying symmetry
 operations. And these symmetry operation has been given in the pdb
 files. For example, the follow is the symmetry operation of 2buk:
  
 REMARK
 350 
 
 REMARK 350 GENERATING THE
 BIOMOLECULE  
 REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE
 KNOWN  
 REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF
 THE   
 REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT
 TRANSFORMATIONS 
 REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC
 AND 
 REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE
 GIVEN.  
 REMARK
 350 
 
  
 But I don't understand how to do symmetry operations. Can pymol do
 these or other software is needed? Please help.
 
 Yeping Sun
 CAS Key Laboratory of Pathogenic Microbiology  Immunology
 INSTITUTE OF MICROBIOLOGY CHINESE ACADEMY OF SCIENCES
 NO.1 Beichen West Road,Chaoyang District,Beijing 100101,china

-- 
Thomas Holder
PyMOL Developer
Schrödinger Contractor

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Re: [PyMOL] symmetry operation to generate the whole virus particle

2013-02-28 Thread Sampson, Jared
Hi Yeping -

Try using:

fetch 2buk, type=pdb1, multiplex=1, async=0

This will fetch the biological assembly (type=pdb1) from the pdb, split the 60 
states into separate objects (multiplex=1), and tell PyMOL to wait for all this 
to be completed before moving to the next command in a .pml script (async=0).

Cheers,
Jared

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Xiangpeng Kong Lab
NYU Langone Medical Center
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341 East 25th Street
New York, NY 10016
212-263-7898
http://kong.med.nyu.edu/




On Feb 28, 2013, at 4:30 AM, yp sun 
sunyep...@yahoo.com.cnmailto:sunyep...@yahoo.com.cn wrote:

Dear pymol users:

Usually pymol can show only one chain when you open a pdb file of virus 
particles (such as 2buk,1sva, etc.). I am trying to create the whole virus 
particle and I know it may need applying symmetry operations. And these 
symmetry operation has been given in the pdb files. For example, the follow is 
the symmetry operation of 2buk:

REMARK 350
REMARK 350 GENERATING THE BIOMOLECULE
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.
REMARK 350

But I don't understand how to do symmetry operations. Can pymol do these or 
other software is needed? Please help.

Yeping Sun
CAS Key Laboratory of Pathogenic Microbiology  Immunology
INSTITUTE OF MICROBIOLOGY CHINESE ACADEMY OF SCIENCES
NO.1 Beichen West Road,Chaoyang District,Beijing 100101,china

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