>sp|B8D7X0|TYSY_BUCAT Thymidylate synthase OS=Buchnera aphidicola subsp. Acyrthosiphon pisum GN=thyA MKQYIKLIKKIIRVGNQKKDRTGTGTLSIFGYNMKFDLKKGFPLLTTKKCHIASIIYELL WFLKGDTNIAYLNENKISIWNNWANESGDVGPIYGKQWRNWSTPEGHEIDQIKNVLIQLK KNPDSRRMLVSSWNVGDIDKMRLPPCHVLFQFYVFNNTLSCQLYQRSCDVFLGLPFNIAS YSILIHMIAQQCDLKVGDFLWTGGDVHLYNNHIELAKKQILRIPRTLPKLTILKKPQSLF QYCFEDFKIIGYHPYPAIKGEISI