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From: nahren manuel (meetnahren_at_yahoo.com)
Date: Fri Jul 29 2011 - 09:44:38 CDT
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Dear VMD users,
I want to restrain two atoms.A(index 6, OL) and B(index 17, NR).
ATOM      1  CL  ALA     1      16.626  18.862  20.798  1.00  1.00                       
ATOM      5  CLP ALA     1      17.760  19.029  19.867  1.00  0.17            
ATOM      6  OL  ALA     1      17.642  19.725  18.875  1.00  1.17                       
ATOM     14  HB3 ALA     1      19.962  17.574  17.698  1.00 28.91            
ATOM     15  CRP ALA     1      20.897  19.618  19.502  1.00  0.15            
ATOM     16  OR  ALA     1      21.893  19.687  20.187  1.00  1.63            
ATOM     17  NR  ALA     1      20.489  20.661  18.782  1.00  0.77       
I move atom 6 to origin using 
$sel moveby "-17.642  -19.725  -18.875"
  
ATOM      5  CLP ALADX   1     -0.700  0.540 -0.850  0.00  0.00        
ATOM      6  OL  ALADX   1      0.000  0.000  0.000  0.00  0.00           
ATOM     15  CRP ALADX   1     -4.070 -1.100 -0.090  0.00  0.00               
ATOM     17  NR  ALADX   1     -4.200 -2.080  0.850  0.00  0.00        
I want translate the above to have somethings like (irrespective of coordinates of other atoms)
     
ATOM      6  OL  ALADX   1      0.000  0.000  0.000  0.00  0.00                         
ATOM     17  NR  ALADX   1      x.xxx  0.000 0.000 0.00  0.00 
So that I can apply restraint between the atoms 6 and 17 along X-axis.
Best regards,
nahren
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