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Figure 3
Detailed view of the adenylylated T-loop region (residues 43–55) in (a) chain A (with C atoms colored gray), (b) chain B (colored green) and (c) chain E (colored orange) of the adGlnK hexamer (chains AF). The 2mFoDFc electron-density map is shown in blue within a radius of 1.5 Å of any displayed atoms and is contoured at 1σ. (d) Stereo representation of the immediate surroundings of the adenylylated Tyr51 in chain E. Residues from chains B, E and F are colored green, blue and orange, respectively. Potential hydrogen bonds are shown as dotted black lines. The ππ-stacking interaction between the tyrosyl moiety of adTyr51 and Phe11′′ is shown as a dotted red line.

Journal logoSTRUCTURAL
BIOLOGY
ISSN: 2059-7983
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