don't offer the ability to choose one of the 5 neural networks.  But you can make your own ColabFold or AlphaFold installation on your own computer and edit the code to do that.  That is a lot of work to set up, needs Linux and ideally a nice GPU.

Energy minimization removes atom clashes between neighboring residues.  Whether you need it depends on how you intend to use the predicted model.  The default in ChimeraX daily builds is to not energy minimize, but the default in ChimeraX 1.4 is to energy minimize.  You can set that option using the Options button in the ChimeraX AlphaFold panel.

Tom

  

On Sep 21, 2022, at 7:09 PM, Yao-Chi Chen via ChimeraX-users <chimerax-users@cgl.ucsf.edu> wrote:

Hi: 

By ChimeraX, I am using AlphaFold to predict several protein-protein complexes. These complexes totally comprised about 600-800 amino acids.

To have the predicted results as soon as possible, I would like to ask: 

1: Is there a way to predict only one model(the best one)?

2: what's the advantage of using the Energy-minimized structures?

    Could I just not use it?

 Thanks for your help.

backy

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