FEN1 GI:4758356 flap structure-specific endonuclease 1 1 mgiqglakli advapsaire ndiksyfgrk vaidasmsiy qfliavrqgg 50 51 dvlqneeget tshlmgmfyr tirmmengik pvyvfdgkpp qlksgelakr 100 101 serraeaekq lqqaqaagae qevekftkrl vkvtkqhnde ckhllslmgi 150 151 pyldapseae ascaalvkag kvyaaatedm dcltfgspvl mrhltaseak 200 201 klpiqefhls rilqelglnq eqfvdlcill gsdycesirg igpkravdli 250 251 qkhksieeiv rrldpnkypv penwlhkeah qlflepevld pesvelkwse 300 301 pneeelikfm cgekqfseer irsgvkrlsk srqgstqgrl ddffkvtgsl 350 351 ssakrkepep kgstkkkakt gaagkfkrgk