>gi|18491016 exonuclease 1 isoform b [Homo sapiens] MGIQGLLQFIKEASEPIHVRKYKGQVVAVDTYCWLHKGAIACAEKLAKGE PTDRYVGFCMKFVNMLLSHGIKPILVFDGCTLPSKKEVERSRRERRQANL LKGKQLLREGKVSEARECFTRSINITHAMAHKVIKAARSQGVDCLVAPYE ADAQLAYLNKAGIVQAIITEDSDLLAFGCKKVILKMDQFGNGLEIDQARL GMCRQLGDVFTEEKFRYMCILSGCDYLSSLRGIGLAKACKVLRLANNPDI VKVIKKIGHYLKMNITVPEDYINGFIRANNTFLYQLVFDPIKRKLIPLNA YEDDVDPETLSYAGQYVDDSIALQIALGNKDINTFEQIDDYNPDTAMPAH SRSHSWDDKTCQKSANVSSIWHRNYSPRPESGTVSDAPQLKENPSTVGVE RVISTKGLNLPRKSSIVKRPRSAELSEDDLLSQYSLSFTKKTKKNSSEGN KSLSFSEVFVPDLVNGPTNKKSVSTPPRTRNKFATFLQRKNEESGAVVVP GTRSRFFCSSDSTDCVSNKVSIQPLDETAVTDKENNLHESEYGDQEGKRL VDTDVARNSSDDIPNNHIPGDHIPDKATVFTDEESYSFESSKFTRTISPP TLGTLRSCFSWSGGLGDFSRTPSPSPSTALQQFRRKSDSPTSLPENNMSD VSQLKSEESSDDESHPLREGACSSQSQESGEFSLQSSNASKLSQCSSKDS DSEESDCNIKLLDSQSDQTSKLCLSHFSKKDTPLRNKVPGLYKSSSADSL STTKIKPLGPARASGLSKKPASIQKRKHHNAENKPGLQIKLNELWKNFGF KKDSEKLPPCKKPLSPVRDNIQLTPEAEEDIFNKPECGRVQRAIFQ