>sp|Q8PYF6|FEN_METMA Flap endonuclease 1 OS=Methanosarcina mazei GN=fen MGTDIGDLLQKRKIELSDLSNRVVAVDAFNTLHQFLSIIRQRDGSPLVNSQGKVTSHLSG LLYRTASLVEAGIKPVFVFDGKPPEMKTGTLNRRKEIRESSKEKWENAKAEGNLEAAYKY AQASSKVDQDIIEDSKYLLDIMGIPWIQAPCEGEAQAAHMVLKKDADCVASQDYDSFLFG APTVVRNLAATGKRKLPGKNVYVDVELEMIELEETLDSLGINRDQLIDIAICVGTDYNKG LEKVGPKTALKLIKKHGNIHAVIREKGMEIEALDSIKELFTHPDVTDDYEIKWGKPDSEK LINFLCDENDFSEDRVVKAADRLKAASGARQQTLDQWF