Dear xplor-NIH users,
I am trying to test the script eginput/gb1_rdc/refine.py. It seems if the PSF
was generated with seq file, however, when I used model.pdb to generate psf
file, error appears as follow:
-atom selection must contain at least one atom.
B-atom selection must contain at least one atom.
RDCPot::addRestraints: error adding restraint: () () 11.6641 0.2 0.2 !
 calculated: 0  deviation: 0
A-atom selection must contain at least one atom.
B-atom selection must contain at least one atom.
RDCPot::addRestraints: error adding restraint: () () 2.0349 0.2 0.2 !
 calculated: 0  deviation: 0
*-- POWELL ------ step=      0 --- stepsize=   0.01000 --- energy evals=    2
-*
|   E(poten)=     0.0000000       grad=     0.0000000     b_HNC=     0.0000000
|
|      b_NCO=     0.0000000       b_NH=     0.0000000                         
|
*------------------------------------------------------------------------------*
Powell::step: normal exit.
*-- POWELL ------ step=      1 --- stepsize=   0.01000 --- energy evals=    0
-*
|   E(poten)=     0.0000000       grad=     0.0000000     b_HNC=     0.0000000
|
|      b_NCO=     0.0000000       b_NH=     0.0000000                         
|
*------------------------------------------------------------------------------*
*-- POWELL ------ step=      0 --- stepsize=   0.01000 --- energy evals=    2
-*
|   E(poten)=     0.0000000       grad=     0.0000000     t_HNC=     0.0000000
|
|      t_NCO=     0.0000000       t_NH=     0.0000000                         
|
*------------------------------------------------------------------------------*
Powell::step: normal exit.
*-- POWELL ------ step=      1 --- stepsize=   0.01000 --- energy evals=    0
-*
|   E(poten)=     0.0000000       grad=     0.0000000     t_HNC=     0.0000000
|
|      t_NCO=     0.0000000       t_NH=     0.0000000                         
|
*------------------------------------------------------------------------------*
Traceback (most recent call last):
  File "<string>", line 1, in ?
  File "refine.py", line 137, in ?
    pot = create_NOEPot(name,file)
  File "/prog/xplor-nih-2.16.0/python/noePotTools.py", line 20, in
create_NOEPot
    noe = NOEPot(name,restraints,esim)
  File "/prog/xplor-nih-2.16.0/python/wrappers/noePot.py", line 113, in
__init__
    self.__oldinit__(*args)
  File "/prog/xplor-nih-2.16.0/python/wrappers/noePot.py", line 99, in __init__
    _swig_setattr(self, NOEPot, 'this', _noePot.new_NOEPot(*args))
  File "<string>", line 2, in new_NOEPot
SystemError: xplor-nih error: error reading restraint: selection string resid   
2 and  name HA    selects no atoms
PyInterp::command: error executing: >execfile('refine.py')<

Any suggestion?

Best regards,

Hongyan

Dr. Hongyan Li
Department of Chemistry
The University of Hong Kong
Pokfulam Road
Hong Kong

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