GATA1 (GATA-binding factor 1) is a member of the GATA family of zinc-finger transcription factors. GATA1 is an erythroid specific transcription factor, GATA sequence binding protein (same as EryF1, NF-E1, EF-1, EF gamma-a, GF1), e, Xenopus/Amphibian,pressed in RBC,Mouse,ast cell,Mouse,egakaryocyte, hematopoietic progenitor cell, testis. It is associated with a special class of nuclear bodies, activated by erythropoietin, inactivated by coactivation of DEATH receptors (TNFRSF6) mediated caspase cleavage. Tissue specificity: erythrocytes.