The complementary DNAs are the products of distinct genes , yet both ITF-1 and ITF-2 are structurally and functionally similar .
the complementary dnas are the products of distinct genes , yet both itf-1 and itf-2 are structurally and functionally similar .
O B-DNA_family_or_group I-DNA_family_or_group O O O O O O O O O B-protein_molecule O B-protein_molecule O O O O O O