>sp|P0A3M0|KITH_SHIFL Thymidine kinase OS=Shigella flexneri OX=623 GN=tdk PE=3 SV=1 MAQLYFYYSAMNAGKSTALLQSSYNYQERGMRTVVYTAEIDDRFGAGKVSSRIGLSSPAK LFNQNSSLFDEIRAEHEQQAIHCVLVDECQFLTRQQVYELSEVVDQLDIPVLCYGLRTDF RGELFIGSQYLLAWSDKLVELKTICFCGRKASMVLRLDQAGRPYNEGEQVVIGGNERYVS VCRKHYKEALQVGSLTAIQERHRHD