[phenixbb] d99 resolution measure availability?

Tom Terwilliger tterwilliger at newmexicoconsortium.org
Sat May 26 13:57:13 PDT 2018


Hi Oli,

Try adding the keyword "map_file_name":

phenix.mtriage map_file_name=my_map.ccp4

Let me know if that doesn't do it!
All the best,
Tom

On Sat, May 26, 2018 at 2:44 PM, Oliver Clarke <olibclarke at gmail.com> wrote:

> Ah right, thanks Ricardo!
>
> I thought that might be the case, but there was nothing in the command
> line help or online docs to indicate it, and whenever I attempt to run
> phenix.mtriage, I get the error "Sorry: No box info (aka crystal symmetry)
> available”, even when I run it on the map generated by phenix.auto_sharpen.
> There also doesn’t seem to be any option to provide this info on the
> command line (except in the form of a model, I guess).
>
> Cheers
> Oli
>
> On May 26, 2018, at 3:35 PM, Ricardo Righetto <ricardorighetto at gmail.com>
> wrote:
>
> Dear Oli,
>
> The d99 criterion is available in the phenix.mtriage program.
>
> Best wishes,
>
>
> --
> Ricardo Diogo Righetto
>
> 2018-05-26 20:44 GMT+02:00 Oliver Clarke <olibclarke at gmail.com>:
>
>> 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/phen
>> ix_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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>
>
>
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-- 
Thomas C Terwilliger
Laboratory Fellow, Los Alamos National Laboratory
Senior Scientist, New Mexico Consortium
100 Entrada Dr, Los Alamos, NM 87544
Email: tterwilliger at newmexicoconsortium.org
Tel: 505-431-0033
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