tokens: Here we show that contrary to previous reports , PU . 1 and Spi-B have very different expression patterns .
folded_tokens: here we show that contrary to previous reports , pu . 1 and spi-b have very different expression patterns .
labels: O O O O O O O O O B-protein_molecule I-protein_molecule I-protein_molecule O B-protein_molecule O O O B-other_name I-other_name O