tokens: Interleukin 16 ( IL-16 ) is a chemotactic cytokine that binds to the CD4 receptor and affects the activation of T cells and replication of HIV .
folded_tokens: interleukin 16 ( il-16 ) is a chemotactic cytokine that binds to the cd4 receptor and affects the activation of t cells and replication of hiv .
labels: B-protein_molecule I-protein_molecule O B-protein_molecule O O O B-protein_family_or_group I-protein_family_or_group O O O O B-protein_molecule I-protein_molecule O O O O O B-cell_type I-cell_type O O O B-virus O