From this and other findings the picture emerges that there are at least three categories of factors which mediate cell-type-specific transcription in B lymphocytes : ( a ) cell-specific factors such as Oct-2A and Oct-2B that are not expressed in most other cell types : ( b ) ubiquitous factors such as NF-kappa B that are constitutively active in B cells but are sequestered in an inactive form in other cells ; ( c ) ubiquitously active factors , exemplified by the one binding to the E3 sequence motif .
from this and other findings the picture emerges that there are at least three categories of factors which mediate cell-type-specific transcription in b lymphocytes : ( a ) cell-specific factors such as oct-2a and oct-2b that are not expressed in most other cell types : ( b ) ubiquitous factors such as nf-kappa b that are constitutively active in b cells but are sequestered in an inactive form in other cells ; ( c ) ubiquitously active factors , exemplified by the one binding to the e3 sequence motif .
O O O O O O O O O O O O O O O O O O O B-other_name B-other_name O B-cell_type B-cell_type O O O O B-protein_family_or_group I-protein_family_or_group O O B-protein_molecule O B-protein_molecule O O O O O O O O O O O O O B-protein_family_or_group I-protein_family_or_group O O B-protein_molecule I-protein_molecule O O O O O B-cell_type I-cell_type O O O O O O O O O O O O O O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O O O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O