Hi Dave

Thanks a lot for the hint. The Cis-bond should be correct, as it is a buried 
glycine residue in a crystal structure at 0.95 Å resolution.

But it would be great, if there would be a way to simply hide the cis-bond 
warning. I would like to generate a supplementary figure with a broad view at 
active site electron density, which in this particular case looks much clearer 
in Coot than in PyMol

Best wishes,
Joël

On 12 Mar 2020, at 10:34, David Briggs <[email protected]> wrote:


Hi Joel,

The red trapezoids are indicative of cis-peptide bonds that are exceptionally 
rare, and usually indicate incorrect tracing of the backbone (unless you have 
good enough data to unambiguously decide that a cis-peptide bond is correct).

I'm afraid I don't know how to get rid of them, other than correcting the 
backbone.

There is a Cis<>Trans button you can add to coot which might correct the issue 
for you (right-click on the icon bar, select "Manage Buttons", and add the 
appropriate button)

HTH

Dave


--

Dr David C. Briggs

Senior Laboratory Research Scientist

Signalling and Structural Biology Lab

The Francis Crick Institute

London, UK

==

about.me/david_briggs

________________________________
From: CCP4 bulletin board <[email protected]> on behalf of Joël Bloch 
<[email protected]>
Sent: 12 March 2020 09:14
To: [email protected] <[email protected]>
Subject: [ccp4bb] Red trapezoids in Coot

Dear CCP4 community,

Is there any way in Coot 0.8.9.2 to remove/hide the red trapezoids that are 
indicating planar bonds?

I couldn’t find anything on that, neither in the manual nor FAQ.

Thanks a lot for your help!

Best wishes,
Joël

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