Re: [ccp4bb] The CCP4 license is ambiguous

- Protein crystallography

Main steps:

- Protein purification
- Crystallisation

Special:

- Programs for crystallography
- X-ray detectors

Basic tutorials:

   - Chemistry
   - Protein
   - Peptide
   - Amino Acids

Xtal community:

- CCP4BB

CCP4bb navigation

CCP4bb <-- 1999 <-- November 1999 <-- 30 November 1999

Previous message:
Subject: Re: The CCP4 license is ambiguous
From: Tim Fenn fenn {- at -} STANFORD {- dot -} EDU
Date: 2007-07-05

Next message:
Subject: How to remove nucleic acid contamination for crystallizing zinc finger protein
From: tony_htc {- at -} 126 {- dot -} COM tony_htc {- at -} 126 {- dot -} COM
Date: 2007-07-05

Subject: Re: The CCP4 license is ambiguous
From: Tim Fenn fenn {- at -} STANFORD {- dot -} EDU
Date: 2007-07-05

On Wed, 4 Jul 2007 23:21:33 -0700 Tim Fenn wrote:

>
> I think the reason most folks have problems with the licensing on the
> ccp4 *libraries* is that the ccp4 format for maps and reflection files
> should be an *open* format - the way it stands now, without writing
> your own library to access ccp4 files (and this is where ambiguity
> sets in and I find the CCP4-type license completely lacking - can I
> look at the source code from CCP4 and develop my own library based on
> what I learn from the code? Does it also matter if I'm a commercial
> versus academic user?), there is *no way* you can redistribute a
> program that depends on CCP4 formatted files without simply including
> said program in the CCP4 distribution.

My apologies - this was overzealous and incorrect - although its still
rather difficult to get the CCP4 libraries in a distributable form,
since the license that covers the libraries aren't OSI/FSF approved.

-Tim

--
---------------------------------------------------------

Tim Fenn
fenn@stanford.edu
Stanford University, School of Medicine
James H. Clark Center
318 Campus Drive, Room E300
Stanford, CA 94305-5432
Phone: (650) 736-1714
FAX: (650) 736-1961

---------------------------------------------------------

CCP4bb navigation

CCP4bb <-- 1999 <-- November 1999 <-- 30 November 1999

Previous message:
Subject: Re: The CCP4 license is ambiguous
From: Tim Fenn fenn {- at -} STANFORD {- dot -} EDU
Date: 2007-07-05