scatchard analysis of the specific uptake of [ 3h ] 1,25- ( oh ) 2d3 by intact xlh fibroblasts revealed a mean internalization constant ( kin ) of 0.72 +/- 0.10 nm ( mean +/- se ) and a cellular capacity for hormone ( nmax ) of 61.5 +/- 5.4 fmol/mg protein .
C0016030
fibroblasts
C0007634
cellular