Dear all,
The wwPDB is continuing to improve and expand our validation offerings
with a new addition to the wwPDB PDF validation reports. Building on the
success of the coordinate‑model percentile sliders, which help
depositors, reviewers, and archive users assess PDB model quality in the
context of the PDB archive, we are now extending this section to include
aQ-score
<https://journals.iucr.org/d/issues/2025/08/00/ic5125/index.html>percentile
slider. The new slider is the first to empower users of this report to
assess model-map quality at a glance relative to the EMDB/PDB archives.
Starting October 01, newly released 3DEM entries will include theQ‑score
percentile slider
<https://www.wwpdb.org/validation/2017/EMValidationReportHelp>in its own
section below the current sliders under “Overall quality at a glance.”
The slider compares an entry’s average Q‑score against both the entire
EMDB/PDB archive and a resolution‑similar subset. Because Q‑score
correlates strongly with resolution between 1–10 Å, the percentile helps
check whether a reported global resolution is reasonable; unusually low
values can flag model–map fit or map quality issues. A dedicated Q‑score
section supports deeper review with residue‑level mapping to the
coordinate model and per‑chain tables.
In the near future, wwPDB will re-generate validation reports with
Q-score slider for all existing entries in the PDB archive.
We are excited for our users to get their hands on this new validation
metric. If you have any queries or feedback please let us know
[email protected].
Read this news online:
https://www.wwpdb.org/news/news?year=2025#68c9b3a1829c3fea8eaf394d
Kind regards,
Deborah Harrus, on behalf of the wwPDB
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Deborah Harrus, Ph.D.
PDBe Archive Project Leader, Biocuration Lead
Protein Data Bank in Europe
European Bioinformatics Institute (EMBL-EBI)
European Molecular Biology Laboratory
Wellcome Trust Genome Campus
Hinxton
Cambridge CB10 1SD UK
http://www.PDBe.org
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