>sp|P27158|KITH_RAT Thymidine kinase, cytosolic OS=Rattus norvegicus GN=Tk1
MSYINLPTVLPISPSKTRGQIQVILGPMFSGKSTELMRRVRRFQIAQYKCLVIKYAKDTR
YSNSFSTHDRNTMDALPACMLKDVAQEALGVAVIGIDEGQFFPDIVDFCETMANTGKTVI
V