TAP Family: C2C2_YABBY
Bowman (2000): The establishment of abaxial-adaxial polarity in lateral organs involves factors intrinsic to the primordia and interactions with the apical meristem from which they are derived. Recently, a small plant-specific family of genes, the YABBY gene family, has been proposed to specify abaxial cell fate. Each asymmetric above-ground lateral organ expresses at least one member of the family in a polar manner, and loss- and gain-of-function studies indicate that they are sufficient to specify abaxial cell fate and that they act in both distinct and redundant manners.
This TAP family belongs to the High-mobility group (HMG) domain factors structural class of the Other all-alpha-helical DNA-binding domains structural superclass, as defined in Plant-TFClass (Blanc-Mathieu et al. 2024)
References:
Bowman, JL. 2000. The YABBY gene family and abaxial cell fate. Curr. Opin. Plant Biol. 3(1):17-22
Golz, JF; Hudson, A. 1999. Plant development: YABBYs claw to the fore. Curr. Biol. 9(22):R861-3"
Blanc-Mathieu, Romain et al. 2024. Plant-TFClass: a structural classification for plant transcription factors. Trends in Plant Science, Volume 29, Issue 1, 40 - 51