While I'm sure there's an easy work-around, I'm not coming up with it yet....obviously a problem in a ccp4-included library. Can I try linking to an older version somehow? Thanks, Christina christina@Fred:~/home$ phenix.pdbtools Traceback (most recent call last): File "/usr/local/bin/CCP4-6.1/ccp4-6.1.2/lib/cctbx/cctbx_sources/mmtbx/mmtbx/command_line/pdbtools.py", line 3, in ? from mmtbx import pdbtools File "/usr/local/bin/CCP4-6.1/ccp4-6.1.2/lib/cctbx/cctbx_sources/mmtbx/mmtbx/pdbtools.py", line 4, in ? from mmtbx import utils File "/usr/local/bin/CCP4-6.1/ccp4-6.1.2/lib/cctbx/cctbx_sources/mmtbx/mmtbx/utils.py", line 35, in ? from mmtbx.solvent import ordered_solvent File "/usr/local/bin/CCP4-6.1/ccp4-6.1.2/lib/cctbx/cctbx_sources/mmtbx/mmtbx/solvent/ordered_solvent.py", line 13, in ? import mmtbx.f_model File "/usr/local/bin/CCP4-6.1/ccp4-6.1.2/lib/cctbx/cctbx_sources/mmtbx/mmtbx/f_model.py", line 4, in ? else: import phaser.phenix_adaptors.sad_target ImportError: No module named phenix_adaptors.sad_target