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. Author manuscript; available in PMC: 2010 Jan 5.
Published in final edited form as: Bioorg Chem. 2005 Feb 23;33(3):229–251. doi: 10.1016/j.bioorg.2005.01.001

Fig. 3.

Fig. 3

Active site of Z. mobilis TGT with PreQ1 bound. Aspartates 89 and 264 form a roughly equilateral triangle with N7 (corresponding to the purine N9) of preQ1 with sides ca. 6 Å. (Structure is from coordinates communicated by Dr. Ralf Ficner.)