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Side chain dihedral angle values (χ1 and χ2) accessed by Lys (a and b), Phe (c and d) and Ser (e and f) residues during the course of the simulation. Starting from the backbone, χ1 is defined by the atoms N-Cα-Cβ-Cγ (-O for Ser) while χ2 is defined by Cα-Cβ-Cγ-Cδ. The pictures show the general orientation of the side chains at the indicated rotamer center.
