Immunogen sequence: AREKAKADAE YYAAHKYATS NKHKLTPEYL ELKKYQAIAS NSKIYFGSNI PNMFVDSSCA LKYSDIRTGR ESSLPSKEAL EPSGENVIQN K. Component of the ERLIN1/ERLIN2 complex which mediates the endoplasmic reticulum-associated degradation (ERAD) of inositol 1,4,5-tris