>sp|P13300|KITH_BPT4 Thymidine kinase OS=Enterobacteria phage T4 GN=TK MASLIFTYAAMNAGKSASLLIAAHNYKERGMSVLVLKPAIDTRDSVCEVVSRIGIKQEAN IITDDMDIFEFYKWAEAQKDIHCVFVDEAQFLKTEQVHQLSRIVDTYNVPVMAYGLRTDF AGKLFEGSKELLAIADKLIELKAVCHCGKKAIMTARLMEDGTPVKEGNQICIGDEIYVSL CRKHWNELTKKLG