Dear Amit Gaur,

You can have a look on our work on the MetalCoord program:
https://github.com/Lekaveh/MetalCoordAnalysis
https://journals.iucr.org/d/issues/2024/12/00/von5002/index.html

It can also give you external distance and angle restraints which can be used in refmac, servalcat, phenix.refine or Coot. In Coot 0.9, select Calculate -> Modules -> Restraints, and then Restraints -> Read Extra Refmac Restraints... In Coot 1, click on the + with arrow in the right top corner and select Restraints, and then Restraints -> Import Restraints...

Good luck! Please keep us updated how it goes.
Cheers,
Martin

On 13/07/2026 14:02, amit gaur wrote:
Hi All,

I am currently trying to model calcium and sodium ions in Coot, but I am encountering atomic clashes after placing them. Based on the electron density, I am confident that these sites are occupied.

Has anyone experienced this before or have any suggestions on how to handle these clashes? I would appreciate any advice.

Thank you!


*Amit Gaur, *
*Department of Biomedical Science,*
*College of Medicine,*
*Florida State University,*
*1115 W Call St, Tallahassee, FL,32304*


*
*

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