Immunogen sequence: LGYRENVNLA QIRTFTEMDS HEEKVFRAVR ETQEREAKAE MRRKAKELQQ ARRDAERQGK KAPGFGGFGS SAVSGGSTAA MITETIIETD KPKVAPAP. This gene maps in a region, which include the mixed lineage leukemia and Friend leukemia virus integration 1 genes, where mul