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. 2003 Aug;47(8):2565–2571. doi: 10.1128/AAC.47.8.2565-2571.2003

FIG. 2.

FIG. 2.

Phylogenetic relationship among 16S rRNA methyltransferases. The tree was constructed from an analysis of the sequences presented in Fig. 1 by using the bootstrapping method (11). The scale bar represents a 10% difference in amino acid sequence.