Immunogen sequence: LQQTPAYIKV QTNKMVMLSC EAKISLSNMR IYWLRQRQAP SSDSHHEFLA LWDSAKGTIH GEEVEQEKIA VFRDASRFIL NLTSVKPEDS GIYFCMIVGS PELTFGKGTQ LSVVDFLPTT AQPTKKSTLK KRVCRLPRPE TQKGPLCSP. The CD8B antigen is a cell surface glycoprotein found on most cytotox