Immunogen sequence: RKEPEDGRLV QFLLMNPAND GGQWDMLVNI VEKYGVIPKK CFPESYTTEA TRRMNDILNH KMREFCIRLR NLVHSGATKG EISATQDVMM EEIFRVVCIC LGNP. The normal physiological role of BLM hydrolase is unknown, but it catalyzes the inactivation of the antitumor drug BLM