Binding of [ 3H ] VD3 was saturable , with approximately 2000-3000 sites/cell , and half-maximal binding occurring at 0 . 21-0 . 33 nM .
binding of [ 3h ] vd3 was saturable , with approximately 2000-3000 sites/cell , and half-maximal binding occurring at 0 . 21-0 . 33 nm .
O O B-lipid I-lipid I-lipid I-lipid O O O O O O O O O O O O O O O O O O O O