Two domains centered at positions -345 and -540 , respectively , bind proteins that are present in megakaryocytic cells and nonrelated cells as well .
two domains centered at positions -345 and -540 , respectively , bind proteins that are present in megakaryocytic cells and nonrelated cells as well .
O O O O O O O O O O O O O O O O O B-cell_line I-cell_line O B-cell_type I-cell_type O O O