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This CCP4 user wiki is meant to be a collection of crystallographic knowledge as discussed on the CCP4 mailing list (CCP4BB), and elsewhere. It may contain information about anything relevant to protein crystallographers, whether methods-related ("what is the best program for purpose X?"), problem-oriented ("my crystals melt if I look at them"), or concerning hardware ("what is your opinion on robot X / computer Y?"). Please see Topics for a list of (possible) items.

The intention is that the wiki reflect the breadth of topics on CCP4BB, which will make it a useful resource e.g. for "frequently asked questions", offloading some of the question/answer traffic on CCP4BB to a more permanent mode of storage. Many interesting questions are currently being answered on the CCP4 bulletin board, but the answers are not easily accessible for others after some time. A wiki has the additional advantage that mathematical formulas and images may be presented nicely.

What is CCP4?

CCP4 is a crystallographic program system, and can be downloaded from [1]. It is free for academic use; the license is at [2]. Documentation is at [3], and a mailing list (CCP4BB) is at [4].

How to contribute to this wiki

Everyone is invited to contribute. Please create an account with a name related to your true name. We'll see how this goes. A number of experienced crystallographers, who are also contributors to CCP4BB, have agreed to take a role as editors. This wiki is under the same Copyright as Wikipedia, so any information in it may be transferred to other wikis subject to the Copyright.

Getting started

Consult the User's Guide for information on using the wiki software.

• Topics - an attempt to list possible items hierarchically
• All pages - list of all pages of this wiki