>tr|E1IUB6|E1IUB6_ECOLX Thymidylate kinase OS=Escherichia coli MS 145-7 GN=tmk MRSKYIVIEGLEGAGKTTARNVVVETLEQLGIRDMVFTREPGGTQLAEKLRSLVLDIKSV GDEVITDKAEVLMFYAARVQLVETVIKPALANGTWVIGDRHDLSTQAYQGGGRGIDQHML ATLRDAVLGDFRPDLTLYLDVTPEVGLKRARARGELDRIEQESFDFFNRTRARYLELAAQ DKSIHTIDATQPLEAVMDAIRTTVTHWVKELDA