>tr|A0A023ZWC5|A0A023ZWC5_BPT4 Thymidine kinase OS=Enterobacteria phage T4 GN=tk MASLIFTYAAMNAGKSASLLIAAHNYKERGMSVLVLKPAIDTRDSVCEVVSRIGIKQEAN IITDDMDIFEFYKWAEAQKDIHCVFVDEAQFLKTEQVHQLSRIVDTYNVPVMAYGLRTDF AGKLFEGSKELLAIADKLIELKAVCHCGKKAIMTARLMEDGTPVKEGNQICIGDEIYVSL CRKHWNELTKKLG