Immunogen sequence: HTFPLFAIRP MYLAMRQFKK AVTDAIMSRR AIRNMNTLYP DATPEELQAM DNVCIICREE MVTGAKRLPC NHIFHTSCLR SWFQRQQTCP TCRMDVLRAS LPAQSPPPPE PADQGP. HRD1 is a ubiquitin ligase whose expression is induced by the unfolded protein response (UPR) following e