The Ramachandran plot visualizes energetically allowed regions for backbone dihedral angles of amino acids in protein structure.

The plot is updated automatically when a residue moves: move a residue on the plot and see the effect it has on the protein.

Documentation

Tutorial: Interactive Ramachandran Plot.

References

This extension has been originally created by Guillaume Pages as a part of his research work at NANO-D, Inria.

Some functions have been exposed.