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Selected distributions of dihedral angles. The red line shows the improper dihedral PH−GL*−E1−E2; all other curves (corresponding to the dihedrals CH−PH−GL−E2, E1−AS−AS−AS, E2−AS−AS−AD, AD−AS−AS−AE, and AS−AS−AS−AS) show a variation that justifies their neglection in our CG simulation.
