SYN: homeobox.
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ho·meo·do·main -dō-.mān n a domain in a protein that is encoded for by a homeobox, that consists of about 60 amino acid residues which are usu. similar from one such domain to another, and that recognizes and binds to specific DNA sequences in genes regulated by the homeotic gene
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ho·meo·do·main (hoґme-o-do-mān″) a DNA-binding domain of approximately 60 amino acids with a helix-turn-helix motif, first identified as being encoded by the homeobox sequence of homeotic genes, but since then also found in other transcription factors.Medical dictionary. 2011.