Preparing Mol2 files for DOCK



I am trying to convert pdbq files I have used for docking studies with
 Autodock, to mol2 files suitable for use by GRID leading to ultimate use by
 DOCK 4.0.1.  I have tried Babel and have had no luck both in preserving the
 charges and getting a file recognisable by DOCK.  Any suggestions would be
 appreciated.
 Best Wishes
 Michael Ivery