Hi Abilash, What version of ChimeraX are you running? If you are running at least version 1.1 then ChimeraX should be able to interpret that 'A' as part of a two-character chain ID rather then the fourth character of the residue name. If you are using 1.1 or later, use Help→Report A Bug to submit a bug report about this and attach the PDB file that is producing the problem. --Eric Eric Pettersen UCSF Computer Graphics Lab
On May 27, 2022, at 10:52 AM, Abhilash Padvannil via ChimeraX-users <chimerax-users@cgl.ucsf.edu> wrote:
Hi,
I am trying to open PDB (multi subunit complex) from phenix refinement in ChimeraX. One of the chains is A7. While the PDB’s open normally in coot, ChimeraX recognizes a couple of chains as nonstandard residues and is showing XXXX for the entire length of the amino acid sequence (ALA as ALAA 7 , MET as META 7) and so on. The residues correspond to subunit with chain ID A4.
Attached is the sequence view
Please suggest how to fix this.
Thanks
Abhilash.
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