[phenixbb] Fo-Fc omit map for ligand in the protein-ligand structure

[Pavel Afonine]

Most likely this is because you loaded MTZ with with no Fourier map 
coefficients.
Pavel

On 9/20/14 8:39 AM, Wei Shi wrote:
> Thank you so much! Is 'Create maximum entropy map' in the latest 
> nightly build that could create the omit map you guys suggested? I was 
> trying to run it but got the error message 'No column labels 
> specified'. In the columns labels it shows '---' and don't give me any 
> option to change... I just loaded my mtz file and the ligand-free pdb 
> file and left all other settings as default. Thank you so much!
>
> Best,
> Wei
>
> On Wed, Sep 17, 2014 at 2:39 AM, Dale Tronrud <detBB at daletronrud.com 
> <mailto:detBB at daletronrud.com>> wrote:
>
>
>        I don't believe I said he was the first.  He did develop an
>     implementation which has proven useful to a large number of people.
>
>     Dale
>
>     On 9/16/2014 8:52 PM, Nathaniel Echols wrote:
>     > On Tue, Sep 16, 2014 at 11:36 AM, Dale Tronrud
>     <detBB at daletronrud.com <mailto:detBB at daletronrud.com>
>     > <mailto:detBB at daletronrud.com <mailto:detBB at daletronrud.com>>>
>     wrote:
>     >
>     >     This sounds like Bricogne's maximum entropy maps.
>     >
>     >
>     > Maybe I'm misunderstanding this reference, but I don't think
>     Bricogne
>     > was the first person to come up with the idea:
>     >
>     >
>     https://www.researchgate.net/publication/232761305_Electron_density_images_from_imperfect_data_by_iterative_entropy_maximization
>     >
>     > which I think is just an extension of the application to X-ray
>     astronomy
>     > described by Gull & Daniel (1978).
>     >
>     > -Nat
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>

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