>sp|Q96EN9|REX1B_HUMAN Required for excision 1-B domain-containing protein OS=Homo sapiens GN=REX1BD MITETAAEPTVPAVPAAEEATEARGREEPAWPWKDAPIRTLVQRIHQLQAERAQGFRRLE EWLAPVQGLRAWGRGLRVPTCRRGHRQYLRSGPDYDFARYRSTVHGVTQAFAAASREVLA VEAELGGPRRQPLLAGHVRSLQELEQTRLGTVALLQLMETPELAGQEDAVRMQQLKMKVI KTMEAISEVLQDLRFDAESAE