we have determined the nucleotide sequence of a cdna clone , pchts-1 , encoding human thymidylate synthase ( 5,10-methylenetetrahydrofolate : dump c-methyltransferase , ec 2.1.1.45 ) which was previously isolated from a human fibroblast expressible cdna library and functional in mouse cells .
C0016030
fibroblast
C0007634
cells