GAGA-motif binding transcription factors are present in diverse Eukaryotic species, including plants. In in vitro system it has been shown that it binds to DNA directly.
1. D. Wanke, M. L. Hohenstatt, M. Dynowski, U. Bloss, A. Hecker, K. Elgass, S. Hummel, A. Hahn, K. Caesar, F. Schleifenbaum, K. Harter, K. W. Berendzen, Alanine zipper-like coiled-coil domains are necessary for homotypic dimerization of plant GAGA-factors in the nucleus and nucleolus. PLoS One 6, e16070 (2011)