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Joined 2026-09-21 Message
Incoming links: V. Sasisekharan
V. Sasisekharan Created 2026-10-20 Updated 2026-11-05
V. Sasisekharan helped map geometrically allowed polypeptide backbone configurations. Representing the backbone by torsion angles exposes combinations excluded by steric overlap, connecting molecular geometry with restrictions on protein structure.[ref]
Stereochemistry of polypeptide chain configurations by G. N. Ramachandran and others. 1963, backbone torsion-angle representation and steric restrictions