Immunogen sequence: KARPMEGSLE EPQETSHSGS DKEHRDVERS QEQESEAQRY HVDDGRRHRA HHEPERLSRR SEDEQRWGKG PGQDRGKK Highest antigen sequence identity to the following orthologs: Mouse - 46%, Rat - 47%. UPF3A is part of a multiprotein post-splicing mRNP complex inv