Complex 2 corresponds to binding of transcription factor ( upstream stimulatory factor ) to an E-box motif in the 5' portion of the NIP region .
complex 2 corresponds to binding of transcription factor ( upstream stimulatory factor ) to an e-box motif in the 5' portion of the nip region .
B-protein_complex I-protein_complex O O O O B-protein_family_or_group I-protein_family_or_group O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O O O B-DNA_domain_or_region I-DNA_domain_or_region O O B-DNA_domain_or_region I-DNA_domain_or_region O O B-protein_molecule O O