And if the actual residue ID is ambiguous ? UNK is exactly what you should
use. There's also a distinction between getting it to work in the refinement
program and having it properly annotated in PDB - e.g. I've encountered some
monomer inconsistencies between Coot and Phenix.
The RCSB ligand
I hope this doesn't confuse the discussion, but my understanding was "UNK"
stood for "unknown" residue and this will cause errors. UNK naming
convention is the default output of Schrodinger when generating ligand PDB
files. Coot will display the PDB containing "UNK" as a residue, but if you
try t
Browsing backwards through a dozen or so of the most recent UNK-containing
structures, I haven't found a counter-example yet - apart from those where the
UNK residues are a single contiguous stretch and given their own chain ID. So a
recent problem?
From: Philip
>
> Dear All
>
> Just a kind reminder
>
> Deadline for abstract submission for the M&M 2021 meeting is February 18,
> 2021. Information on how to submit the abstract can be found in the meeting
> homepage (https://www.microscopy.org/MandM/2021/)
>
> Giovanna
>
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