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ProQ - Protein quality prediction

Paste in PDB coordinates

or upload a PDB file:

Optional: Paste in predicted secondary structure (Helix, Coil, Sheet)

Ex: HHHHHHCCCCCCCEEEEE..., for each residue in the PDB file.

The prediction gets more reliable if predicted secondary structure is provided.
The reason for not including the secondary structure prediction in the service is that it takes approx
5 minutes to do the prediction. The best secondary structure prediction method is
The prediction gets more relaible and performance increase with about 15% if the
secondary structure is provided.

Can correct protein models be identified? Björn Wallner and Arne Elofsson (2003). Protein Sci. 12(5):1073-1086.