Table 2.

Dihedral angles of the optimized geometries in pathway 2.

	Dihedral Angle
	φ	ψ	χ
RC	−155	−179	71.8
TS1	−168	−138	98.0
INT1	−166	−132	109
INT2	−162	−112	98.0
TS2′	−167	−108	94.7
INT3	−116	−127	118
TS2	−117	−127	118
PC	−108	−121	117

φ: C–N–Cα–C, ψ: N–Cα–C–N, and χ: N–Cα–Cβ–Cγ.