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Atomic structure of KGE (a) and KGD (b). Contents of the asymmetric unit of the crystals highlighting the two antiparallel triple helices are shown. The position of the N and C terminus of each helix is noted. The 1.68 Å 2Fo − Fc map in a and 2.00 Å 2Fo − Fc map in b are contoured at 1.2σ and depicted as transparent surfaces. Image were generated using PyMOL (21).
