Figure 2: Neighbor-joining tree of NtOMT2 and other related OMTs at the protein level. Numbers at branching points are the bootstrap values indicating the confidence level for each branch based on 100 repeats. OMT sequences were obtained from GenBank with Accession numbers: aab46623, Medicago sativa MsCOMT; X62096, Populus tremuloides PtCOMT; ABB03907, Triticum aestivum TaOMT2; X74452, Nicotiana tabacum NtOMT1; X71430, Nicotiana tabacum NtOMT2; AAC49927, Medicago sativa isoflavone MsIOMT.