Validation server

Welcome to the wwPDB validation server

The server you are accessing will be shut down on September 12, 2016 and existing sessions will expire.

Please try the beta version of the new wwPDB validation server that supports X-ray, NMR and 3DEM experimental methods at which will replace the current validation server

A run of the wwPDB validation software pipeline typically takes between 5 minutes and one hour. You will receive an email when a run is finished and can then go back to the website to download the results files.

Uploaded files will not be stored for more than 2 days and wwPDB will make every effort to keep your files confidential.

For a user-guide describing the contents of validation reports, please go to

If you have any suggestions for improvement of the server or the validation reports, please contact:

This is a preliminary version of the server with the following limitations:

  1. Only validation of X-ray crystal structures is supported.
  2. Any ligands or non-standard residues are not matched to the Chemical Components Dictionary.
  3. You can only excute one validation run at a time per account.

For a complete list of limitations of this server please visit

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    X-Ray Diffraction
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wwPDB Validation Server

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