>sp|Q3Z0V3|KITH_SHISS Thymidine kinase OS=Shigella sonnei GN=tdk MAQLYFYYSAMNAGKSTALLQSSYNYQERGMRTVVYTAEIDDRFGAGKVSSRIGLSSPAK LFNQNSSLFDEIRAEHEQQAIHCVLVDECQFLTRQQVYELSEVVDQLDIPVLCYGLRTDF RGELFIGSQYLLAWSDKLVELKTICFCGRKASMVLRLDQAGRPYNEGEQVVIGGNERYVS VCRKHYKEALQVGSLTAIQERHRHD