>sp|Q31ZF3|KTHY_SHIBS Thymidylate kinase OS=Shigella boydii serotype 4 GN=tmk MRSKYIVIEGLEGAGKTTARNVVVETLEQLGIRDMVFTREPGGTQLAEKLRSLVLDIKSV GDEVITDKAEVLMFYAARVQLVETVIKPALANGTWVIGDRHDLSTQAYQGGGRGIDQHML ATLRDAVLGDFRPDLTLYLDVTPEVGLKRARARGELDRIEQESFDFFNRTRARYLELAAQ DKSIHTIDATQPLEAVMDAIRTTVTHWVKELDA