Abstract
The highly conserved DNA-binding domains (DBDs) of eukaryotic GATA factors comprise one or two zinc binding modules with four cysteines embedded in the sequence Cys-X2-Cys-X17/18-Cys-X2-Cys and an adjacent basic region. The fold has been defined as a class IV zinc finger motif and belongs to the superfamily of glucocorticoid receptor-like DNA binding domains. Members of the GATA family are found in a wide range of organisms ranging from slime molds to fungi and plants to vertebrates and exhibit differing and complex roles in transcription regulation mediated by binding to regulatory DNA sequences of the form (A/T)GATA(A/G). Fungal GATA factors control nitrogen metabolism, light induction, siderophore biosynthesis and mating-type switching, while the prototypical animal factor GATA-1 is involved in the regulation of all erythroid cell-specific genes. A unique feature of the GATA DBDs is their ability to interact with DNA as well as with proteins, leading to a multitude of intricate functionalities. One important role is associated with dramatic chromatin rearrangement.
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Gronenborn, A.M. (2005). The DNA-Binding Domain of GATA Transcription Factors—A Prototypical Type IV Cys2-Cys2 Zinc Finger. In: Iuchi, S., Kuldell, N. (eds) Zinc Finger Proteins. Molecular Biology Intelligence Unit. Springer, Boston, MA. https://doi.org/10.1007/0-387-27421-9_5
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DOI: https://doi.org/10.1007/0-387-27421-9_5
Publisher Name: Springer, Boston, MA
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