tokens: Reactivation of Kaposi's sarcoma -associated herpesvirus infection from latency by expression of the ORF 50 transactivator , a homolog of the EBV R protein .
folded_tokens: reactivation of kaposi's sarcoma -associated herpesvirus infection from latency by expression of the orf 50 transactivator , a homolog of the ebv r protein .
labels: O O B-other_name I-other_name O B-virus O O B-other_name I-other_name I-other_name O O B-protein_molecule I-protein_molecule I-protein_molecule O O O O O B-protein_molecule I-protein_molecule I-protein_molecule O