>sp|A4WNC4|FEN_PYRAR Flap endonuclease 1 OS=Pyrobaculum arsenaticum GN=fen MGVTELGKLIGKEARREVKLEALAGRCVALDAYNALYQFLASIRQPDGTPLMDRAGRITS HISGLFYRTINLMEAGIKPVYVFDGKPPEFKLAEIEERRKAKEKATEELVRAIKEGRRDE VAKYAKRAIFLTNEMVEDAKKLLTYMGVPWVQAPSEGEAQAAYMARRGHCWAVGSQDYDS LLFGSPRLVRNLATSPKRKVGDEVVELSPEIIELDAVLKSLRLRSREQLIDLAILLGTDY NPDGVPGIGPQRALKLIWEFGSLEKLLDTVLRGVTFPIDPVEIKRFFLNPPVTDTYTTDV TKPDDAKLRDFLVHEHDFGEERVERALERLKKAMGKLRTSALDSFF