tokens: To limit expression of a transduced HIV-1 long terminal repeat ( LTR ) -IFNA2 ( the new approved nomenclature for IFN genes is used throughout this article ) hybrid gene to the HIV-1-infected cells , HIV-1 LTR was modified .
folded_tokens: to limit expression of a transduced hiv-1 long terminal repeat ( ltr ) -ifna2 ( the new approved nomenclature for ifn genes is used throughout this article ) hybrid gene to the hiv-1-infected cells , hiv-1 ltr was modified .
labels: O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O O O O O B-DNA_family_or_group I-DNA_family_or_group O O O O O O B-DNA_family_or_group I-DNA_family_or_group O O B-cell_line I-cell_line O B-DNA_domain_or_region I-DNA_domain_or_region O O O