[PyMOL] CASTp plugin

Hello pymol users, I try to install this castp plugin: http://sts.bioengr.uic.edu/castp/pymol.php -> http://sts.bioengr.uic.edu/castp/infoPages/CASTpyMOL_v2.pyc I have pymol 1.3 (windows7 64bit) and I got: ImportError: Bad magic number in C:\Program Files (x86)\PyMOL\PyMOL/modules\pmg_tk\startu

[PyMOL] protein interaction surface

Hello pymol users, can you help me please how to calculate interaction surface between 2 subunits of my protein? I found this website http://crick.mbu.iisc.ernet.in/~PIC/index.html, but I would rather use pymol if possible. Thanks a lot, Tomas -- S pozdravy T. Kučera -