>d1b43b1 a.60.7.1 (B:220-339) Fen-1 nuclease {Pyrococcus furiosus} ltreklielailvgtdynpggikgiglkkaleivrhskdplakfqkqsdvdlyaikeffl nppvtdnynlvwrdpdeegilkflcdehdfseervknglerlkkaiksgkqstleswfkr