[PyMOL] ccp4 question

2014-02-04 Thread Stefan Ivanov
Dear Pymolers,

I tried to run ncont on a pdb structure and got a .ncont file as output, but 
the only thing the file contains is an error message (see below). I tried 
copying default.def into the working directory, but couldn't get the darn thing 
to work. If someone can help I'd appreciate it.

--

 CCP4 library signal ccp4_general:Cannot open default.def (Error)
 raised in ccp4fyp 
 
 ###
 ###
 ###
 ### CCP4 6.4: NCONTversion 6.4 : ##
 ###
 User: unknown  Run date:  3/ 2/2014 Run time: 16:00:09 


 Please reference: Collaborative Computational Project, Number 4. 1994.
 The CCP4 Suite: Programs for Protein Crystallography. Acta Cryst. D50, 
760-763.
 as well as any specific reference in the program write-up.


 --

 * ERROR #40 READ:

 Logical file name not found.

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Re: [PyMOL] ccp4 question

2014-02-04 Thread Robert Campbell
Dear Stefan,

On Tue, 2014-02-04 14:44  EST,  Stefan Ivanov
stefan.iva...@postgrad.manchester.ac.uk wrote:

 Dear Pymolers,
 
 I tried to run ncont on a pdb structure and got a .ncont file as output,
 but the only thing the file contains is an error message (see below). I
 tried copying default.def into the working directory, but couldn't get
 the darn thing to work. If someone can help I'd appreciate it.

You might have better luck asking on the ccp4bb, but I'll try to answer...

 --
 
  CCP4 library signal ccp4_general:Cannot open default.def (Error)
raised in ccp4fyp 
  
  ###
  ###
  ###
  ### CCP4 6.4: NCONTversion 6.4 : ##
  ###
  User: unknown  Run date:  3/ 2/2014 Run time: 16:00:09 
 
 
  Please reference: Collaborative Computational Project, Number 4. 1994.
  The CCP4 Suite: Programs for Protein Crystallography. Acta Cryst. D50,
 760-763. as well as any specific reference in the program write-up.
 
 
  
 --
 
  * ERROR #40 READ:
 
  Logical file name not found.

You haven't told us how you tried to run it, but the error tells you
that it is not finding your .pdb file.  Did you run it on the command
line?  If so, did you type something like:

ncont xyzin file.pdb

The standard command line format for CCP4 programs is such that coordinate
files are indicated by the xyzin (and xyzout) logical names. 

It can also be run from the ccp4i interface. Did you try that?

Cheers,
Rob

-- 
Robert L. Campbell, Ph.D.
Senior Research Associate/Adjunct Assistant Professor
Dept. of Biomedical  Molecular Sciences
Botterell Hall Rm 644
Queen's University, 
Kingston, ON K7L 3N6  Canada
Tel: 613-533-6821
robert.campb...@queensu.cahttp://pldserver1.biochem.queensu.ca/~rlc

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