[phenixbb] Fourier_shell_correlation_(FSC)_in_cryo-EM_refinement

oleg at quantumbioinc.com oleg at quantumbioinc.com
Thu Jan 18 19:15:48 PST 2018


I appreciate if somebody would answer my original question about FSC in the cryo-EM refinement. 

-----Original Message-----
From: "Pavel Afonine" <pafonine at lbl.gov>
Sent: Thursday, January 18, 2018 10:06pm
To: oleg at quantumbioinc.com, "Takanori Nakane" <tnakane at mrc-lmb.cam.ac.uk>
Cc: phenixbb at phenix-online.org
Subject: Re: [phenixbb] Fourier_shell_correlation_(FSC)_in_cryo-EM_refinement

This is good to know, thank you. It would be particularly helpful if you 
supply the error message and provide files that lead to the failure.

All the best,
Pavel

On 1/18/18 19:01, oleg at quantumbioinc.com wrote:
> phenix.model_vs_map crashes with a Python exception.
>
>
> -----Original Message-----
> From: "Takanori Nakane" <tnakane at mrc-lmb.cam.ac.uk>
> Sent: Thursday, January 18, 2018 10:44am
> To: oleg at quantumbioinc.com
> Cc: phenixbb at phenix-online.org
> Subject: Re: [phenixbb] Fourier_shell_correlation_(FSC)_in_cryo-EM_refinement
>
> Hi Oleg,
>
> Do you mean FSC between a model and a map?
> You can calculate it with phenix.model_vs_map.
>
> Best regards,
>
> Takanori Nakane
>
>> I started to do some refinements of cryo-EM structures. But I could not
>> find FSC (e.g. FSC average) quality metrics in the refinement log. Is it
>> because of the real space refinement methodology or some features need
> to
>> be activated? Please advise
>> Thanks
>> Oleg ?
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