In contrast , TPCK and TLCK did not block induction of an immediate-early gene encoding the transcription factor , Egr-1 .
in contrast , tpck and tlck did not block induction of an immediate-early gene encoding the transcription factor , egr-1 .
O O O B-other_organic_compound O B-other_organic_compound O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region O O B-protein_family_or_group I-protein_family_or_group O B-protein_molecule O