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. 2017 Oct 23;8:2061. doi: 10.3389/fmicb.2017.02061

FIGURE 1.

FIGURE 1

Phylogenetic tree of the S-adenosyl methionine (SAM)-dependent methyltransferases. Amino acid sequences of 21 SAM-dependent methyltransferases from 15 organisms were analyzed and classified into three clades: A, B, and C.