*** For details on how to be removed from this list visit the *** *** CCP4 home page http://www.dl.ac.uk/CCP/CCP4/main.html *** Hi The CCP4 program documentation online mentions a program called dtrek2mtz for changing the data format, but when I downloaded the version for Irix_32, this program didn't come with the suite. How can I get it? Thanks Prabha