Arriagada G, Paredes R, Olate J, van Wijnen A, Lian JB, Stein GS, Stein JL, Onate S, Montecino M. Phosphorylation at serine 208 of the 1alpha,25-dihydroxy Vitamin D3 receptor modulates the interaction with transcriptional coactivators. J Steroid Biochem Mol Biol. 2007 Mar; 103(3-5):425-9.