Zinc finger protein ZFPM1 (Zfpm1)

Transcription regulator that plays a vital role in erythroid and megakaryocytic cell differentiation. Essential cofactor that acts via the formation of a heterodimer with transcription factors of the GATA family GATA1, GATA2 and GATA3.

Such heterodimer can both activate or repress transcriptional activity, depending upon the cell and promoter context. The heterodimer formed with GATA proteins is vital to activate expression of genes like NFE2, ITGA2B, alpha- and beta-globin, while it represses expression of KLF1.