ftp://@ccp4.dl.ac.uk/pub/ccp4 CCP4 - Computational Collaborative Project in protein crystallography <author> <version> <abstract> The CCP4 Program Suite is an integrated set of programs for protein crystallography developed in a close collaboration between crystallographers under an initiative by the UK Science and Engineering Research Council <description><url>http://www.dl.ac.uk/CCP/CCP4/main.html</url> <reference><url></url> <contact>ccp4@dl.ac.uk <keywords>protein crystallography; application library <category>application <publication-date> <environment> <method> <application> <comments> The suite is licensed free to academic institutions; but a charge is made to commercial users who should contact the CCP4 secretary to make arrangments. </urc>