>sp|A7NI79|KITH_ROSCS Thymidine kinase OS=Roseiflexus castenholzii GN=tdk MTRLSSGGRIEVICGCMFSGKTEELIRRLNHVRLARQRLIAFTPRRDTRYRLGSLVSHNG LSVEARVIDSIRDTPAHLNTDIHVVAVDELHLLDDPPDAAREVCQDLADRGLRVIVAGLD QDFRAQPFPAMAQLMAVAEQVDKLYAICVRCGAYATRSQRLIDGKPAPADAPTIVVGGQE LYEARCRACYEPAR