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Phylogenetic tree of amino acid polyamine choline (APC) superfamily transporters. The alignment was obtained from ClustalW and tree was build using PAUP software. At, Arabidopsis thaliana; Cr, Chlamydomonas reinhardtii; Os, Oryza sativa; Pp, Physcomitrella patens; Sm, Selaginella moellendorffii. Red letters indicate a Selaginella moellendorffii gene.
