mapping analysis of the nucleosomal organization of integrated human papillomavirus type 18 ( hpv18 ) dna in hela cells reveals a very prominent nuclease-hypersensitive site within the viral noncoding regulatory region that harbors transcriptional control sequences and coincides with most of the 5 ' ends of the cytoplasmic early mrnas .
C0034987
regulatory region
C1158770
transcriptional control