Download of CCP4 6.5 was on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The CCP4 installer is commonly called CCP4.exe. This free software was originally created by CCP4.
The following versions: 6.5, 6.4 and 6.3 are the most frequently downloaded ones by the program users. CCP4 relates to Education Tools. We recommend checking the downloaded files with any free antivirus. This PC software works fine with 32-bit versions of Windows XP/Vista/7/8/10/11.
From the developer:
CCP4 is a program designed to produce and support a world-leading, integrated suite of applications that allows researchers to determine macromolecular structures by X-ray crystallography, and other biophysical techniques. It can be used for the experimental determination and analysis of protein structure.
You may want to check out more software, such as CueMol, which might be similar to CCP4.
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