[phenixbb] d99 resolution measure availability?

Pavel Afonine pafonine at lbl.gov
Sun May 27 16:19:16 PDT 2018


in the GUI it is called Mtriage (see in Data analysis). If you give it 
map, half-maps, model it will show various resolution estimates 
discussed in this preprint as well as plot various FSC curves and will 
output the mask used.

You need to use latest Phenix for this (dev-3152 and up).


On 5/26/18 11:44, Oliver Clarke wrote:
> Hi,
> I think the “d99” criterion described in this preprint (https://www.biorxiv.org/content/early/2018/03/14/279844) looks like a really interesting FSC-independent way to measure res in real space, and I’d like to give it a go on my maps (particularly those where I am suspicious of the FSC-based res based on map appearance, or where I suspect overfitting).
> Is it available in any phenix package at present? The scripts site mentioned in the preprint (http://phenix-online.org/phenix_data/afonine/cryoem_validation/) is currently rather sparsely populated.
> (Also, I wonder whether a directional version of the d99 criterion might be useful to estimate anisotropic res in the case of a preferred orientation, analogous to the 3D-FSC approach of Yong-Zi Tan and Dmitry Lyumkis?)
> Cheers
> Oli
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