>sp|Q1CFB5|TYSY_YERPN Thymidylate synthase OS=Yersinia pestis bv. Antiqua GN=thyA MKQYLDLMKKVLEEGTPKADRTGTGTLSIFGHQMRFNLQDGFPLVTTKRCHLRSIIHELL WFLNGDTNIAYLKENNVSIWDEWADENGDLGPIYGKQWRAWGAADGRKIDQLSNVVNQLK QDPDSRRIIVSAWNVGELDQMALAPCHAFFQFYVADGKLSCQLYQRSCDVFLGLPFNIAS YALLVHMMAQQCDLAVGDFVWTGGDTHLYSNHIDQAHLQLSREPRVLPKLVIKRKPDSLF DYHFDDFDIEGYDPHPGIKAPIAI