Additional file 4.

Figure S2. Sequence based phylogeny of tRNA_SAD domains (cis/trans) of alanyl tRNA synthetases constructed using MEGA v5.0 using Maximum Likelihood method based on JTT matrix model. Bootstrap values are indicated at the inner nodes.

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Gowri et al. BMC Genomics 2012 13:621   doi:10.1186/1471-2164-13-621