Thanks Martyn!

I should add that support for our docking software in CCP-EM is fairly new, but 
it’s developing quickly. You can run emplace_local there too, though you have 
to provide it with the coordinates for the search center — more graphical setup 
akin to the ChimeraX interface should come!

Randy

> On 27 Nov 2024, at 10:28, Martyn Winn - STFC UKRI 
> <[email protected]> wrote:
>
> Hi Gloria,
>
> I agree that ChimeraX is the easiest starting point for this. After that, the 
> CCP-EM suite has a variety of rigid and flexible fitting methods that you can 
> try (including em_placement in the latest).  Also many validation functions, 
> which are kind of important 😊   Our annual Icknield workshop covers these 
> techniques, look e.g. at 
> https://www.ccpem.ac.uk/training/icknield_2023/icknield_2023.php
>
> HTH
> m
>
> -----Original Message-----
> From: CCP4 bulletin board <[email protected]> On Behalf Of Randy John Read
> Sent: 27 November 2024 08:40
> To: ccp4bb <[email protected]>
> Subject: Re: [ccp4bb] cryoEM molecular replacement
>
> Hi Gloria,
>
> Guillaume already mentioned emplace_local, so I’ll just mention that if you 
> get a recent nightly build of Phenix and the latest version of ChimeraX (plus 
> the Phenix UI plugin from the toolshed), you can tell it your map has 
> symmetry, place a monomer, and then it will detect the symmetry and place all 
> the symmetry-related copies of the monomer. (That’s assuming you imposed the 
> symmetry during the reconstruction.)
>
> It’s still under rapid development: another new feature is to be able to 
> account for a part of the model you’ve already placed when placing a new 
> component. To come: something much more highly automated, like Phaser, in 
> placing multiple copies of multiple components all in one job.
>
> Best wishes,
>
> Randy
>
>> On 26 Nov 2024, at 23:50, Gloria Borgstahl <[email protected]> wrote:
>>
>> Hello Friends,
>> We are finally using cryoEM when the crystallography got too hard!  We have 
>> a crystal structure for the hexamer.  What is the easiest software tool to 
>> swing a monomer or hexamer into the cryoEM density?
>> Thank you, Gloria
>>
>> To unsubscribe from the CCP4BB list, click the following link:
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>
> -----
> Randy J. Read
> Department of Haematology, University of Cambridge
> Cambridge Institute for Medical Research     Tel: +44 1223 336500
> The Keith Peters Building
> Hills Road                                                       E-mail: 
> [email protected]
> Cambridge CB2 0XY, U.K.                              
> www-structmed.cimr.cam.ac.uk
>
>
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-----
Randy J. Read
Department of Haematology, University of Cambridge
Cambridge Institute for Medical Research     Tel: +44 1223 336500
The Keith Peters Building
Hills Road                                                       E-mail: 
[email protected]
Cambridge CB2 0XY, U.K.                              
www-structmed.cimr.cam.ac.uk


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