[phenixbb] phenix.autosol and phenix.hyss now optimized for weak SAD data

Terwilliger, Thomas C terwilliger at lanl.gov
Tue Feb 4 12:55:59 PST 2014

Hi Phenix users!

You might notice some big differences in HySS and AutoSol in the new 2014 versions of Phenix (starting with current nightly builds and the soon-to-be-released Phenix-1.8.5).  The big changes are parallelization, the use of Phaser completion in HySS, iterative Phaser completion using maps and models in AutoSol, and on-the-fly optimization of parameters in AutoSol for cases with weak anomalous signal. Now HySS and AutoSol can solve structures with very weak SAD phase information that previous versions could not solve.  

More details will be in the Phenix newsletter that will come out shortly!

You can see documentation on the new HySS at:


and on the new AutoSol at:


--Tom Terwilliger, Randy Read, Gábor Bunkóczi, Nat Echols

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