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Ramachandran plot
This term refers to a specialized visualization tool used in structural biology and biochemistry. It serves as a diagnostic map to determine if a protein model is physically plausible by checking if the dihedral angles of the amino acid residues fall within sterically allowed regions.
Because it is a technical term named after G. N. Ramachandran, it is typically treated as a proper noun phrase. In professional literature, it is used to validate the quality of X-ray crystallography or NMR structures, where "outliers" on the plot indicate potential errors in the atomic coordinates or unusual local conformations.
Meanings
Examples
The researcher used a Ramachandran plot to validate the protein structure.
Look at this Ramachandran plot to see where the outliers are located.
A Ramachandran plot helps identify alpha helices and beta sheets.
I wonder if this residue falls into the disallowed region of the Ramachandran plot.
The professor explained how the Ramachandran plot accounts for steric hindrance.
We need to check the Ramachandran plot before submitting the crystal structure.
The distribution of phi and psi angles is clearly visible on the Ramachandran plot.
Does this Ramachandran plot show any significant conformational strain?
Does this Ramachandran plot show any significant conformational strain?