Transports retinoic acid to the nucleus. Regulates the access of retinoic acid to the nuclear retinoic acid receptors "Direct channeling of retinoic acid between cellular retinoic acid-binding protein II and retinoic acid receptor sensitizes mammary carcinoma cells to retinoic acid-induced growth arrest."
Budhu A.S., Noy N. Mol. Cell. Biol. 22:2632-2641(2002) "A ligand-activated nuclear localization signal in cellular retinoic acid binding protein-II."
Sessler R.J., Noy N. Mol. Cell 18:343-353(2005)