[3dem] Introducing the first 3DEM Model-Map percentile slider to the wwPDB validation report

[Justin Flatt]

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 
a Q-score 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 the 
Q‑score percentile slider 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 at 
info at wwpdb.org.

Please find the full news here: 
https://urldefense.com/v3/__https://www.wwpdb.org/news/news?year=2025*68c9b3a1829c3fea8eaf394d__;Iw!!Mih3wA!DmzD26nwdND2Y8FsQX1esfuCAcC4AppFx54gWMKTbAUk9j8bH2QUAqBEXm37AU5qgbetrnlYqLM9wRws1ZTiAjLF$ 

Best wishes,
Justin Flatt on behalf of the wwPDB
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