the calciferol-binding system of rat kidney cytosol has been purified and is shown to consist of two proteins , each capable of binding either 25-hydroxy-vitamin d3 ( 25-oh-d3 ) or 1,25-dihydroxyvitamin d3 ( 1,25- ( oh ) 2d3 ) .
C0006657
25-hydroxy-vitamin d3
C2713074
25-oh-d3