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. Author manuscript; available in PMC: 2010 Apr 14.
Published in final edited form as: Biochemistry. 2009 Apr 21;48(15):3239–3246. doi: 10.1021/bi802069p

Figure 1.

Figure 1

Structure and mechanism of the glmS ribozyme. A. Secondary structure of the pre-cleaved glmS ribozyme. Green filled circles represent individual nucleotide and key active site nucleotides are indicated. The cleavage site is shown using an orange arrow, and the nucleotides flanking the scissile phosphate are shown in dark blue. Paired regions are numbered according to convention. B. The proposed catalytic mechanism of the glmS ribozyme. C. The three sugars used in the mechanistic and structural studies.