Hi Rayees, Do you mean you want a PDB file that you're reading to include chain descriptions and UniProt codes, or that you want PDBs that you output to include that info? I'm going to guess you mean input, but if you meant output let me know. ChimeraX gets chain descriptions from the PDB file's COMPND records <COMPN>. For instance, the chain description (D-GALACTOSE/D-GLUCOSE BINDING PROTEIN) for 2gbp's chain A come from these COMPND records: COMPND MOL_ID: 1; COMPND 2 MOLECULE: D-GALACTOSE/D-GLUCOSE BINDING PROTEIN; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES Similarly, ChimeraX gets UniProt accession codes from DBREF records <DBREF>. The DBREF record that provides 2gbp's UniProt reference (DGAL_ECOLI 1-309) is: DBREF 2GBP A 1 309 UNP P02927 DGAL_ECOLI 24 332 --Eric Eric Pettersen UCSF Computer Graphics Lab
On Jun 19, 2025, at 5:31 PM, Rayees Mattoo via ChimeraX-users <chimerax-users@cgl.ucsf.edu> wrote:
Hi, I want to add chain description and Uniprot accession ID to my PDB file which contains many chains (chain IDs from A-M). Please suggest a way to add those details in chimeraX?
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