Ring finger protein 121 XEVEVGGGAA GERELDEVDM SDLSPEEQWR VEHARMHAKH RGHEAMHAEM VLILIATLVV AQLLLVQWKQ RHPRSYNDQT RRCHGLWHLP SLLWPLLWSS GTGLCRNVCR LHGIYHRVLQ RVGHAYQTSF RQCVCCVWAA DLCGRQ