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. 2005 Aug;11(8):1281–1290. doi: 10.1261/rna.5040605

FIGURE 3.

FIGURE 3.

Expression of hTrm6p/hTrm61p restores wild-type levels of m1A in tRNA. Total tRNA purified from wild-type yeast (Y200) containing pESC-URA (A), trm6-504 (Y190) containing pESC-URA (B), and trm6-504 (Y190) containing hTRM6/hTRM61(p230) (C) was digested to single nucleosides and analyzed by HPLC. The absorbance at 254 nm (AU254) was measured and plotted against retention time in minutes, as previously described (Anderson et al. 1998). For clarity, only a portion of the chromatograph—the region where m1A, 5-methylcytidine (m5C), and 2′-O-methylcytidine (Cm) elute from the column—is shown.