I have seen your solution to the dock prep in batch mode (http://blur.compbio.ucsf.edu/pipermail/dock-fans/2007-May/001043.html ) , but when I run the command : chimera --nogui pdb:1gcn dockprep.py , the chimera want to Fetch protein 1gcn from web site www.rcsb.org, I have download the entire PDB, so how can I specify the PDB path to the chimera? Thanks.