Pavel, Thanks. The new version solved the problem. Sean Pavel Afonine wrote:

Hi Sean,

please get and install the latest version and most likely this will fix the problem:

http://www.phenix-online.org/download/

Please let me know if the problem still exist in the latest version.

Pavel.

On 10/21/2008 1:26 PM, Sean Johnson wrote:

...

I just tried optimizing weights in phenix.refine using optimize_wxc=true and optimize_wxu=true in the command line. I got the following error:

----------xray term weight optimization (wxc)----------

Traceback (most recent call last): File "/usr/local/phenix-1.3b-rc5/phenix/phenix/command_line/refine.py", line 5, in <module> command_line.run(command_name="phenix.refine", args=sys.argv[1:]) File "/usr/local/phenix-1.3b-rc5/phenix/phenix/refinement/command_line.py", line 82, in run call_back_after_monitor_collect=call_back_after_monitor_collect) File "/usr/local/phenix-1.3b-rc5/phenix/phenix/refinement/driver.py", line 1150, in run call_back_after_monitor_collect = call_back_after_monitor_collect) File "/usr/local/phenix-1.3b-rc5/phenix/phenix/refinement/strategies.py", line 446, in refinement_machine log = log) File "/usr/local/phenix-1.3b-rc5/phenix/phenix/refinement/weight_xray_chem.py", line 252, in __init__ self.wxc_optimization() File "/usr/local/phenix-1.3b-rc5/phenix/phenix/refinement/weight_xray_chem.py", line 507, in wxc_optimization wxc = self.holder.wxc AttributeError: weight instance has no attribute 'holder'

Any suggestions? Thanks, Sean

-- Sean Johnson, PhD R. Gaurth Hansen Assistant Professor Utah State University Department of Chemistry and Biochemistry 0300 Old Main Hill Logan, UT 84322-0300 (435) 797-2089 (435) 797-3390 (fax) [email protected]