>sp|Q57NR0|KITH_SALCH Thymidine kinase OS=Salmonella choleraesuis GN=tdk MAQLYFYYSAMNAGKSTALLQSSYNYQERGMRTVVYTAEIDDRFGAGKVSSRIGLSSPAK LFNQNTSLFEEIRAESVRQTIHCVLVDESQFLTRQQVYQLSEVVDKLDIPVLCYGLRTDF RGELFVGSQYLLAWSDKLVELKTICFCGRKASMVLRLDQDGRPYNEGEQVVIGGNERYVS VCRKHYKDALEEGSLTAIQERHRHI