passages.id: split_6_test_210_passage
passages.type: progene_text
passages.text: PSU1 interacts in a ligand - dependent manner with the LBD of several NRs , including retinoic acid ( RARalpha ) , retinoid X ( RXRalpha ) , thyroid hormone ( TRalpha ) , vitamin D3 ( VDR ) and oestrogen ( ERalpha ) receptors .