Dear CCLer's: Is there any program (freeware) to visualize pdb files containing crystallographic information? I mean the program should create several unit cells from the pdb files. I am aware of the msi software, but are there any others out there. Thanking everyone in anticipation. Goutam Das BetzDearborn Division of Hercules 9669 Grogan's Mill Road The Woodlands, TX 77380 281.367.6201 ext 425 // Fax: 281.363.7780