Immunogen sequence: ELPGFLAPEK AAVLDTGASI HLARELELHD LVTVPVTTKE DAWAIKFLNI LLLIPTLQSE GHIREFPVFG EVEGVLLVGV IDELHYTAKG. Single-stranded DNA (ssDNA) bidirectional exonuclease involved in DNA repair. Probably involved in DNA repair following ultraviolet (U