>sp|Q9ZCN9|KTHY_RICPR Thymidylate kinase OS=Rickettsia prowazekii GN=tmk MNKLTQGKFITFEGVDGIGKSTQSKMLYEYLKSQKIPVILTREVGGTTVAEKMREILVNE ELLPMSELLQAMAARYDHMARKIIPALKDGYIVICDRFIDSTACYQGLELENGIDLVYSL HKTLMPSLMPDITFFIDVEPHTAIKRVNARNMSNKFDIRSIDFYKKIYTCFKELSNRFPE RIKTIKASHLSPLEVHELIQKHL