Interaction of tomato TCP proteins in a yeast two-hybrid assay. BD-fusions are listed in the left column. TCP protein names are ordered according to their subclass (highlighted green, light-green and dark-green, respectively). BD-fusions exhibiting autoactivation are marked with an asterisk. Interactions only scored on –LTA medium are shown in blue. Interactions found in both directions (BD/AD and AD/BD) are depicted as a black or dark-blue, one-way interactions in gray and light blue, respectively. Scoring tables of the yeast 2-hybrid experiments can be found in Additional file 3: Table S2.