the activities throughout the cell cycle of thymidine kinase ( ec 2.7.1.21 ) , dihydrothymine dehydrogenase ( ec 1.3.1.2 ) , thymidine phosphorylase ( ec 2.4.2.4 ) and dtmp phosphatase ( ec 3.3.3.35 ) were measured in the epstein-barr virally transformed human b lymphocyte line laz-007 .
C0040083
thymidine phosphorylase
C0086418
human