Immunogen sequence: PKKHNLLQGFY QFVRPHHKQQ FEEVCIQLTG RGCGYRPEHS IPRRQRAQPV LDPTGRTAPD PKLTVSTAAA QQLDPQEHLN QG Highest antigen sequence identity to the following orthologs - mouse 53%, rat 60%. ATP-dependent DNA helicase implicated in telomere-length re