84 Bidirectionally degrades single-stranded DNA into large acid-insoluble oligonucleotides, which are then degraded further into small acid-soluble oligonucleotides (By similarity). EX7S_YERPS Exodeoxyribonuclease VII small subunit Exodeoxyribonuclease 7 small subunit YPTB0941 MPKKAASPEIKAASFETSLSELEQIVTRLESGELPLEDALNEFERGVQLARQGQQTLLQAEQRVQILLSDDVDAPLKPFTPDTE xseB