Pax5 is predominantly transcribed from only one of its two alleles in early B-lymphoid progenitors and mature B cells , while it transiently switches to a biallelic mode of transcription in pre-B and immature B cells .
pax5 is predominantly transcribed from only one of its two alleles in early b-lymphoid progenitors and mature b cells , while it transiently switches to a biallelic mode of transcription in pre-b and immature b cells .
B-protein_molecule O O O O O O O O O B-DNA_domain_or_region O B-cell_type I-cell_type I-cell_type O B-cell_type I-cell_type I-cell_type O O O O O O O O O O O O O O O O O O