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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. 5.

Fig. 5

Crystal structure of the covalent complex between the Z. mobilis TGT and RNA. This structure (PDB Accession No. 1Q2R) was generated from crystals of the Z. mobilis TGT complexed with a minihelical RNA and 9-deazaguanine [17]. Aspartate 264 forms a covalent bond with the 1′ position of the ribose corresponding to #34. Guanine 34 has been displaced and 9-deazaguanine is occupying the guanine/preQ1 site.