ALF1 transactivated transcription of Akv MLV through the two E ( gre ) motifs equally , whereas E2A protein required the promoter-proximal E ( gre ) motif .
alf1 transactivated transcription of akv mlv through the two e ( gre ) motifs equally , whereas e2a protein required the promoter-proximal e ( gre ) motif .
B-protein_complex O O O B-virus B-virus O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O O O B-protein_molecule I-protein_molecule O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O