Fig. 2From: Gene expression profiling discerns molecular pathways elicited by ligand signaling to enhance the specification of embryonic stem cells into skeletal muscle lineageSchematic representation of the dimerization of RXR with nuclear receptor partners, such as the peroxisome proliferator-activated receptor (PPAR), RAR, the vitamin D receptor (VDR), and the thyroid hormone receptor (TR), and the number of spacer nucleotides between the two direct repeats of canonical DNA binding sites (DRn)Back to article page