Question

Significance of ramchandran plots for protein folding notes

Answer 1

A Ramachandran plot (also known as a Ramachandran diagram or a [φ,ψ] plot), originally developed in 1963 by G. N. Ramachandran, C. Ramakrishnan, and V. Sasisekharan,[1] is a way to visualize energetically allowed regions for backbone dihedral angles ψ against φ of amino acidresidues in protein structure. The figure at left illustrates the definition of the φ and ψ backbone dihedral angles[2] (called φ and φ' by Ramachandran).