>sp|Q23695|DRTS_CRIFA Bifunctional dihydrofolate reductase-thymidylate synthase OS=Crithidia fasciculata MSRAAAKFKIPMPVTKADFAFPSLRAFSIVVAADQQHGIGDGETIPWTVPETLAFFKDQT TLLRNKKPPTEKKRNAVVMGRKTWEVPLKFRPLKGRLNVVLSCRRPVDDLLAQLPEEKRA AAAADVVINGGLKEALHLLARPPYCSSIETAYCIGGARVYTEAMQSPCVEKLKEVYLTRV HTAPTCNRFYEFVRRRRARAAVDLESTSGVKVSDAAAHLSYEIMKYVPHNAEERQYLELI DRIMKTGLVKEDRTGVGTISLFGAQMFSLRDNQLPLLTTKRVFWRGVCEELIWFLRGETN AHVLADKDIHIWDGNGSREFLDSRGLTENKEMDLGPVYGFQWRHFGADYKGFDANYDEGV DQIKTIVETLKTNDRRLLVTAWNPCALHKMAVRPCHLLGQFYVNTQTKELSCMLYQRCCD MGLGVPFNIASYALLTILIAKATGLRPGELVHTLGTAHVYSNHVEALKEQLQRVPVAFPV LVFKKEREFLEDYESTDMEVVDYVPYPPIKMEMAV