[Dock-fans] Chimera, how to prepare protein for docking

[do ngoc mai]

I'm preparing the protein 1SC7 for docking, but there're some problems when i use the Dock prep tool, here's the log, i don't know how to fix it
AttributeError Exception in Tk callback
  Function: <function command at 0x0F1EA830> (type: <type 'function'>)
  Args: ()
Traceback (innermost last):
  File "C:\Program Files\Chimera\bin\Lib\site-packages\Pmw\Pmw_1_2\lib\PmwBase.py", line 1747, in __call__
    return apply(self.func, args)
  File "C:\Program Files\Chimera\share\chimera\baseDialog.py", line 238, in command
    getattr(s, buttonFuncName(txt))()
  File "C:\Program Files\Chimera\share\chimera\baseDialog.py", line 452, in OK
    self.Apply()
  File "C:\Program Files\Chimera\share\AddH\gui.py", line 245, in Apply
    hisScheme=hisScheme, okCB=self.cb)
  File "C:\Program Files\Chimera\share\AddH\unknownsGUI.py", line 272, in initiateAddHyd
    okCB()
  File "C:\Program Files\Chimera\share\DockPrep\__init__.py", line 163, in <lambda>
    cb=lambda mols=mols: _postAddPrep(mols, **kw))
  File "C:\Program Files\Chimera\share\DockPrep\__init__.py", line 173, in _postAddPrep
    cb=lambda ur, uc, m=mols, kw=kw:
  File "C:\Program Files\Chimera\share\AddCharge\__init__.py", line 109, in initiateAddCharges
    nogui=nogui)
  File "C:\Program Files\Chimera\share\AddCharge\__init__.py", line 258, in addStandardCharges
    if pa.name == 'CA':
AttributeError: 'NoneType' object has no attribute 'name'
any suggestions?

       
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