tokens: The caprine arthritis-encephalitis virus ( CAEV ) long terminal repeat ( LTR ) is activated by gamma interferon ( IFN-gamma ) in promonocytic cells .
folded_tokens: the caprine arthritis-encephalitis virus ( caev ) long terminal repeat ( ltr ) is activated by gamma interferon ( ifn-gamma ) in promonocytic cells .
labels: O B-virus I-virus I-virus O B-virus O O O O O B-DNA_domain_or_region O O O O B-protein_molecule I-protein_molecule O B-protein_molecule O O B-cell_type I-cell_type O