YT-N17 contained 11 . 8 fmol/mg protein of estrogen receptor ( mean of two independent assays ) , a value which was 5-10-fold higher than that of other hematopoietic cell lines .
yt-n17 contained 11 . 8 fmol/mg protein of estrogen receptor ( mean of two independent assays ) , a value which was 5-10-fold higher than that of other hematopoietic cell lines .
B-cell_line O O O O O O O B-protein_family_or_group I-protein_family_or_group O O O O O O O O O O O O O O O O O O B-cell_line I-cell_line I-cell_line O