>P57515|thymidylate synthase|EC 2.1.1.45|Buchnera aphidicola subsp. Acyrthosiphon pisum (strain APS)|Swiss-Prot
MKQYIKLIKKIIRVGNQKKDRTGTGTLSIFGYNMKFDLKKGFPLLTTKKCHIASIIYELL
WFLKGDTNISYLNENKISIWNNWANESGDVGPIYGKQWRNWSTPEGHEIDQIKNVLIQLK
KNPDSRRMLVSSWNVGDIDKMRLPPCHVLFQFYVFNNTLSCQLYQRSCDVFLGLPFNIAS
YSILIHMIAQQCDLKVGDFLWTGGDVHLYNNHIELAKKQILRIPRTLPKLTILKKPQSLF
QYCFEDFKIIGYHPYPAIKGEISI