Dear CCP4BB

 

All validation reports for released PDB entries have been updated and are
now available with recalculated percentiles. In addition, the validation
reports now include 2D diagrams highlighting ligand quality, map and model
fit for EM entries, and calculated map coefficients used for X-ray data
validation.

Updated validation reports for all X-ray, NMR, and 3DEM structures released
in the PDB archive are now available.

The updates include new percentile statistics reflecting the state of the
PDB archive on December 31, 2019 and calculated map coefficients used for
validation report generation.

The updated reports are accessible from the following FTP sites:

*          <ftp://ftp.wwpdb.org/pub/pdb/validation_reports/>
ftp://ftp.wwpdb.org/pub/pdb/validation_reports/ (wwPDB)

*          <ftp://ftp.rcsb.org/pub/pdb/validation_reports/>
ftp://ftp.rcsb.org/pub/pdb/validation_reports/ (RCSB PDB)

*          <ftp://ftp.ebi.ac.uk/pub/databases/pdb/validation_reports/>
ftp://ftp.ebi.ac.uk/pub/databases/pdb/validation_reports/ (PDBe)

*          <ftp://ftp.pdbj.org/pub/pdb/validation_reports/>
ftp://ftp.pdbj.org/pub/pdb/validation_reports/ (PDBj)

A snapshot of the previous version on June 10th is archived at
<ftp://snapshots.wwpdb.org/20200610/pub/pdb/> RCSB PDB and
<ftp://snapshots.pdbj.org/20200610/pub/pdb/> PDBj.

These updated wwPDB validation reports provide an assessment of structure
quality using widely accepted standards and criteria, recommended by
community experts serving in
<https://www.wwpdb.org/task/validation-task-forces> Validation Task Forces. 

In addition to recently introduced carbohydrate section and 2D Symbol
Nomenclature For Glycan (SNFG) images for oligosaccharides from
<https://www.wwpdb.org/documentation/carbohydrate-remediation> carbohydrate
remediation project, these reports now incorporate
<https://www.wwpdb.org/news/news?year=2019#5cfa7992ea7d0653b99c87d0>
visualization of ligand validation, model fit to electron density maps for
X-ray ligands. These include 2-dimensional diagrams of ligands, highlighting
geometric validation criteria and, for structures determined by
crystallography, 3-dimensional views of electron density. 

In addition,
<https://www.wwpdb.org/news/news?year=2019#5db841ceea7d0653b99c8839> EM map
analysis, and the fit of EM model to its map volume. FSC curves are also
included to compare reported and estimated resolution, where either half
maps or FSC data was uploaded.

Validation reports are provided to depositors through OneDep - the wwPDB
portal for validation, deposition and biocuration of structure data. The
wwPDB partners encourage the use of the  <http://validate.wwpdb.org/>
stand-alone validation server and the
<https://www.wwpdb.org/validation/onedep-validation-web-service-interface>
web service API at any time prior to data deposition. Depositors are
required to review and accept the reports as part of the data submission
process. Validation reports will continue to be developed and improved as we
receive recommendations from the expert Validation Task Forces (VTF) for
<https://www.wwpdb.org/task/xray> X-ray,  <https://www.wwpdb.org/task/nmr>
NMR,  <https://www.wwpdb.org/task/em> EM, and as we collect feedback from
depositors and users.

The wwPDB partners strongly encourage journal editors and referees to
request reports from authors as part of the manuscript submission and review
process, as already required by Nature, eLife, The Journal of Biological
Chemistry, the International Union of Crystallography (IUCr) journals, FEBS
journals, Journal of Immunology and Angew Chem Int Ed Engl. Reports are
date-stamped, display the wwPDB logo, and represent standardized wwPDB
validation. 

Further information and sample validation reports are
<https://www.wwpdb.org/validation/validation-reports> available.

Your feedback, comments, and questions are welcome at
<mailto:validat...@mail.wwpdb.org> validat...@mail.wwpdb.org.

Regards

 

John

 

--

John Berrisford

PDBe

European Bioinformatics Institute (EMBL-EBI)

European Molecular Biology Laboratory

Wellcome Trust Genome Campus

Hinxton

Cambridge CB10 1SD UK

Tel: +44 1223 492529

 

 <http://www.pdbe.org/> http://www.pdbe.org

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