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Phylogenetic relationships and exon/intron structures of maize TCP proteins. The unrooted tree was generated with the MEGA4.0 program using the full-length amino acid sequences of the 29 TCP proteins by the N-J method, with 100 bootstrap replicates. Exons and introns are indicated by yellow lines and thin gray lines, respectively. The untranslated regions (UTRs) are indicated by blue lines (colour figure online)
