[modeller_usage] based on intial model failed

[albert <leuven AT yeah.net>]

I try to build a model with my own intial model, but it failed,
here is the log file:



Traceback (most recent call last):
  File "single.py", line 36, in ?
    a.make()
  File "/usr/lib64/python2.4/site-packages/modeller/automodel/automodel.py", line 98, in make
    self.homcsr(exit_stage)
  File "/usr/lib64/python2.4/site-packages/modeller/automodel/automodel.py", line 427, in homcsr
    self.make_initial_model(aln)
  File "/usr/lib64/python2.4/site-packages/modeller/automodel/automodel.py", line 441, in make_initial_model
    self.generate_method(self, aln)
  File "/usr/lib64/python2.4/site-packages/modeller/automodel/generate.py", line 46, in read_xyz
    mdl.transfer_xyz(a, cluster_cut=-1.0)
  File "/usr/lib64/python2.4/site-packages/modeller/model.py", line 200, in transfer_xyz
    cluster_method)
_modeller.ModellerError: rdpdb___303E> No atoms were read from the specified input PDB file, since the starting residue number and/or chain id in MODEL_SEGMENT (or the alignment file header) was not found; requested starting position: residue number " ", chain " "; atom file name:  loop.pdb