tetraloop_helix.pdb

Traceback (most recent call last):
  File "/usr/local/bin/rna_x3dna.py", line 214, in <module>
    p = x3DNA(f, args.show_log)
  File "/usr/local/bin/rna_x3dna.py", line 74, in __init__
    self.run_x3dna(show_log)
  File "/usr/local/bin/rna_x3dna.py", line 129, in run_x3dna
    raise Exception('x3dna not found!')
Exception: x3dna not found!
DONE