From Phaserwiki
Revision as of 13:10, 30 June 2009 by WikiSysop (talk | contribs) (Initialization from almanac)


14th January 2008
Phaser-2.1.2 released
  • Download from this website and with phenix-1.3b
  • Patch to fix segmentation fault in non-linux executables


12th December 2007
CCP4 Automated Downloads
A Phaser module is now available through the CCP4 automated Downloads page and from the Daresbury ftp server.
12th November 2007
Phaser-2.1.1 released
  • New Features Phaser-2.1.1
    • Default packing criteria relaxed to allow a small number of clashes
    • Default packing distance increased to identify intercalation of helices
    • Composition can be estimated from solvent content
    • Default composition corresponds to 50% solvent
    • If automated MR search finds some, but not all, components, the partial solution is output
    • Improved SAD phasing
    • SAD phasing starting from MR partial model
    • Output of PDB hybrid-36 atom numbers and col(21-22) chainids for largest structures


1st November 2006
Phaser-1.3.3 released
  • Download with ccp4 6.0.2.
  • New Features Phaser-1.3,3
    • Filename parsing accepts quoted strings, for Windows filenames that include spaces. Change synchronised with corresponding changes throughout the rest of the CCP4 suite.
1st July 2006
Phaser-2.0 released
  • Download with phenix-1.24-beta
  • Minor Bug fixes from Phaser–1.3
1st February 2006
Phaser-1.3.2 released
  • Download with ccp4 6.0.0.
  • Minor Bug fixes from Phaser–1.3.1


1st July 2005
Phaser-1.3.1 released
  • New Features Phaser-1.3.1
    • Minor bug fixes after Phenix-1.1a release
    • R-factor reported by MR_RNP and MR_LLG modes (verbose output)
15th June 2005
Phaser 1.3 released
  • Download with Phenix-1.1a
  • New Features Phaser-1.3
    • Release with Phenix-1.1a
    • New Normal Mode Analysis of structures
    • New Cell Content Analysis Mode
    • Improved Automated MR
    • Map coefficients appended to input mtz file
    • Score stored in .sol file is Z-score rather than LLG
    • Final phasing and refinement to full resolution on mtz file
    • Packing of RNA/DNA
    • Packing to form close packed oligomeric complexes
    • Waters in pdb files excluded from packing
    • Only the most similar model in an ensemble is used for packing analysis
    • Reduced memory requirements
    • Composition/MW determined from sequence
    • Automated MR now available as a python script
1st June 2005
Phaser-1.2 expired
  • A typo in the expiry date in the source code caused the source to expire. A message explaining what happened and possible ways to work around it has been sent to all registered Phaser users. We apologise for the inconvenience, and we are working hard to get version 1.3 (which will not have an expiry date!) released as soon as possible.


15th December 2004
  • Congratulations to Richard Bunker, who registered as our 1000th user!
30th June 2004
Documentation updated
  • The README files for the installer, CCP4I GUI installation and the CCP4-4.2 extras have been clarified. Thanks for your feedback.
25th June 2004
Phaser-1.2 released
  • Download from here.
  • New Features Phaser-1.2
    • Automated solution of structures
    • New Likelihood Enhanced fast Translation Function (LETF)
    • Ability to use electron density maps as molecular replacement models
    • Rigid body solution refinement against maximum likelihood target
    • Pruning of duplicate solutions from solution list
    • Searching of multiple alternative space groups
    • Searching of multiple alternative models
    • Better minimizers


22nd December 2003
Phaser-cambridge-alpha-1-1a released
  • Phaser-cambridge-alpha-1-1 will stop working on the 1st of January 2004. We have therefore released a new version cambridge-alpha-1.1a that will work for another six months. This version is identical in all other areas to 1.1. We are currently working on a new and improved version (1.2) that will be released soon.
4th November 2003
Documentation online
26th September 2003
Phaser-cambridge-alpha-1-1 released
  • Bugfix in the anisotropy correction.
6th September 2003
Phaser-cambridge-alpha-1-0 released
'3rd September 2003
Phaser logo launched
28th July 2003
Phaser helpdesk launched
  • Contact us on
14th April 2003
Phaser webpage launched