tokens: It has been reported that HIV-1 protease may cleave the NF-kappa B precursor to its active form in vitro .
folded_tokens: it has been reported that hiv-1 protease may cleave the nf-kappa b precursor to its active form in vitro .
labels: O O O O O B-protein_molecule I-protein_molecule O O O B-protein_molecule I-protein_molecule O O O O O O O O