p49 has a approximately 18-fold-lower affinity for the HIV kappa B site ( KD = 69 . 1 pM ) than does the approximately 50-kDa protein NFKB1 ( p50 ) derived from p105 ( KD = 3 . 9 pM ) .
p49 has a approximately 18-fold-lower affinity for the hiv kappa b site ( kd = 69 . 1 pm ) than does the approximately 50-kda protein nfkb1 ( p50 ) derived from p105 ( kd = 3 . 9 pm ) .
B-protein_molecule O O O O O O O B-virus B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O O O O O O O O O O O O O B-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule O O B-protein_molecule O O O O O O O O O