>tr|A0A5S4TXW9|A0A5S4TXW9_STRPY Thymidine kinase OS=Streptococcus pyogenes GN=tdk MAQLYYKYGTMNSGKTIEILKVAHNYEEQGKPVVIMTSALDTRDGFGIVSSRIGMRREAI PISNDMDIFTFIAQLEEKPYCVLIDESQFLSKQNVYDLARVVDELNVPVMAFGLKNDFQN NLFEGSKHLLLLADKIDEIKTICQYCSKKATMVLRIENGKPVYEGDQIQIGGNETYIPVC RKHYFNPEI