tokens: The STAT proteins utilized by IL-7 were identical to those induced by IL-2 and could be identified as various STAT 5 isoforms .
folded_tokens: the stat proteins utilized by il-7 were identical to those induced by il-2 and could be identified as various stat 5 isoforms .
labels: O B-protein_family_or_group I-protein_family_or_group O O B-protein_molecule O O O O O O B-protein_molecule O O O O O O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O