>tr|A0A037Y488|A0A037Y488_ECOLX Thymidine kinase OS=Escherichia coli OX=562 GN=tdk PE=3 SV=1 MAQLYFYYSAMNAGKSTALLQSSYNYQERGMRTVVYTAEIDDRFGAGKVSSRIGLSSPAK LFNQNSSLFDEIRAEHEQQAIHCVLVDECQFLTRQQVYELSEVVDQLDIPVLCYGLRTDF RGELFIGSQYLLAWSDKLVELKTICFCGRKASMVLRLDQAGRPYNEGEQVVIGGNERYVS VCRKHYKEALQVDSLTAIQERHRHD