>sp|Q03221|KITH_BACSU Thymidine kinase OS=Bacillus subtilis (strain 168) OX=224308 GN=tdk PE=3 SV=2
MYIMKQSGWLELICGSMFSGKSEELIRRVKRATYAKQEVRVFKPVIDNRYSEAAVVSHNG
TSMTSYAISSAADIWDHISESTDVVAVDEVQFFDQEIVEVLSSLADKGYRVIAAGLDMDF
RGEPFGVVPNIMAIAESVTKLQAVCSVCGSPASRTQRLIDGKPASYDDPVILVGAAESYE
ARCRHHHEVPGKSKK