>sp|A0RU95|FEN_CENSY Flap endonuclease 1 OS=Cenarchaeum symbiosum GN=fen MGLDLKALVSREPTRLESFATKVVAIDAYNAIYQFLATIRGPDGMQLTDARGRVTSHLSG LLYRNASFLSMGIKPVYVFDGRPPTLKSAEIERRRNVKKGAAVKYAAAVDAGNMDDARKY AQQTTSMRDGMVDDSKQILKLFGIPYIDAPSEGEATAAYLTQTGDAYASASQDFDSVLFG AKRLVRNFTNSGRRKIPNRNMYVDVQPEIIETEKTLTTLDLTREQLVDVGILIGTDFNPD GFERIGPKTALKLVHEHGRLEDIPRIQDELGSVSYAEIRKIFLEPESPGNIEIEFGATDY DGITKYLVGERSFSEDRVAAALNRLRRALEKRSQNLDQWF