21.6 Homeodomains bind Homeo domain related targets in DNA Antp en Figure 21.10 The 400 homeodomain may be ve the sole dna-binding motif in a HOX transcriptional regulator or may be combined Oc仁□ 763 with other motifs. It represents a discrete(60 oc2□「467 residue) part of the protein Pou region 请莘大Figure 21.10 The homeodomain may be the sole DNA-binding motif in a transcriptional regulator or may be combined with other motifs. It represents a discrete (60 residue) part of the protein. 21.6 Homeodomains bind related targets in DNA