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You can upload a PDB-formatted file to the server and the backbone dihedral angles will be plotted on our accurate Ramachandran Plot


  1. Select a protein structure file in PDB format from your hard disk.
  2. Select Amino Acid type to show.
  3. Check the boxes for Glycine, Verbosity, and Labels as desired
  4. Click the GO! button

Select PDB File to be uploaded:

Select AA type to display

Select Ramachandran plot to display

Anderson, Weng, Campbell, Jiang. Main-Chain Conformational Tendencies of Amino Acids. Submitted to Structure 5/25/04