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. Author manuscript; available in PMC: 2016 Nov 2.
Published in final edited form as: Nature. 2016 May 2;533(7603):369–373. doi: 10.1038/nature17633

Figure 2.

Figure 2

TEM characterization of the 2D crystals of RhuA variants. a, C98RhuA; b, H63/H98RhuA (Zn2+ coordination); c, F88/C98RhuA. (i) Low-magnification views, (ii) high-magnification views, (iii) Fourier transforms of ii, (iv) reconstructed 2D images, (v) structural models based on the 2D reconstructions. The high-resolution limits in panels iii are ~14 Å. Unit cells are shown as black squares (with corners placed at four-fold symmetry axes); unit cell constants (α=β, γ) are: C98RhuA (114 Å, 90°); H63/H98RhuA (91 Å, 90°); F88/C98RhuA (115 Å, 90°).