tokens: The transcriptionally regulatory regions of the lymphomagenic Akv and SL3-3 murine leukemia retroviruses ( MLVs ) contain two types of E-box consensus motifs , CAGATG .
folded_tokens: the transcriptionally regulatory regions of the lymphomagenic akv and sl3-3 murine leukemia retroviruses ( mlvs ) contain two types of e-box consensus motifs , cagatg .
labels: O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O O O O O O O O O B-virus O O O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O B-polynucleotide O