Homeobox Protein Family

The homeobox protein family comprises a large group of transcription factors defined by the presence of a highly conserved DNA-binding domain known as the homeodomain. These proteins play essential roles in regulating gene expression during embryonic development and cellular differentiation across eukaryotes. They are crucial for establishing positional identities of cells during early embryogenesis, orchestrating body plan patterning, organogenesis, and tissue differentiation. Mutations or misregulation can lead to developmental disorders or contribute to diseases such as cancer.

Other names

Homeodomain proteinsHOX proteinsHomeobox genes

Sequence-specific DNA binding to regulate downstream target gene expression.