However , during maturation of both lineages ( days 21 and 28 ) , increased expression of a functionally distinct 80 kDa STAT5 isoform was observed , resulting in heterodimer DNA-binding complexes containing both the 94 and 80 kDa STAT5 proteins .
however , during maturation of both lineages ( days 21 and 28 ) , increased expression of a functionally distinct 80 kda stat5 isoform was observed , resulting in heterodimer dna-binding complexes containing both the 94 and 80 kda stat5 proteins .
O O O O O O O O O O O O O O O O O O O O B-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule O O O O O B-protein_complex I-protein_complex I-protein_complex O O O O O O O B-protein_family_or_group I-protein_family_or_group O