[COOT] ramachandran fit error

Hey all, I have a structure with three chains in the asymmetric unit. When I select Refine/Improve Ramachandran Plot from Extensions/All Molecule, coot does its thing until it reaches the end of the second chain, then stops with the errors pasted below. It says something about alternate

Re: [COOT] ramachandran fit error

Andreas Förster wrote: I have a structure with three chains in the asymmetric unit. When I select Refine/Improve Ramachandran Plot from Extensions/All Molecule, coot does its thing until it reaches the end of the second chain, then stops with the errors pasted below. ... Any ideas why

[COOT] Non-standard residue

Dear Cooters, Is it possible to mutate a residue to a non-standard residue in coot? Thanks Raj

Re: [COOT] Non-standard residue

S. Shunmugasundararaj wrote: Is it possible to mutate a residue to a non-standard residue in coot? Yes. Section 5.6.13 of the Coot User Manual. You could have found it by searching for mutating to a non-standard residue Extensions - Modelling - Replace Residue... Paul.