The transcription activation function is provided by the N-terminal acidic domain ( amino acids 26-137 ) , which is experimentally exchangeable with a heterologous viral transcription-activating domain .
the transcription activation function is provided by the n-terminal acidic domain ( amino acids 26-137 ) , which is experimentally exchangeable with a heterologous viral transcription-activating domain .
O B-other_name I-other_name I-other_name O O O O B-protein_domain_or_region I-protein_domain_or_region I-protein_domain_or_region O B-protein_domain_or_region I-protein_domain_or_region I-protein_domain_or_region O O O O O O O O B-protein_domain_or_region I-protein_domain_or_region I-protein_domain_or_region I-protein_domain_or_region O