Immunogen sequence: SSAKVSSLIE RISDPKDLKK LLRTRNNVLV LYSKSEVAAE NHLRLLSTVA QAVKGQGTIC WVDCGDAESR KLCKKMKVDL SPKDKKVELF HYQDGAFHTE YNRAVTFKSI VAFLKDPKG; Positive Samples: Mouse kidney, Mouse liver, Mouse pancreas, Rat liver; Cellular Location: Endoplasmic