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Joined 2026-09-21 Message
Incoming links: C. Ramakrishnan
C. Ramakrishnan Created 2026-10-20 Updated 2026-11-05
C. Ramakrishnan helped investigate the geometry of polypeptide chains through backbone torsion angles. Steric restrictions rule out some angle combinations, providing a structural constraint that a protein model must satisfy in addition to its sequence.[ref]
Stereochemistry of polypeptide chain configurations by G. N. Ramachandran and others. 1963, backbone torsion angles and excluded configurations