cytosol prepared in 0.3 m kcl from pituitary gh3 cells , but not from att-20 cells contains a receptor-like macromolecule that binds 1,25-dihydroxyvitamin d3 ( 1,25 ( oh ) 2d3 ) with specificity and high affinity ( kd = 2.9 x 10 ( -10 ) m ) .
C1383501
cytosol
C0007634
cells