Immunogen sequence: FRSGAKPPLR ARDFMATNPE HLEILKKMGV SLIHLKDGRV QLVQHAIQAA SSIDAEDGLR FMQEMIELSS QQQKEQQLPP RAVQIVSHPF FGRVVLTAGP Highest antigen sequence identity to the following orthologs: Mouse - 99%, Rat - 98%. Involved in endoplasmic reticulum-asso