The HB9 homeodomain is most similar to that of the Drosophila melanogaster homeobox gene proboscipedia .
the hb9 homeodomain is most similar to that of the drosophila melanogaster homeobox gene proboscipedia .
O B-DNA_domain_or_region O O O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region B-DNA_domain_or_region O