ID 2.7.7.31 DE DNA nucleotidylexotransferase. AN terminal addition enzyme. AN terminal deoxynucleotidyltransferase. AN terminal deoxyribonucleotidyltransferase. AN terminal transferase. CA a 2'-deoxyribonucleoside 5'-triphosphate + DNA(n) = diphosphate + CA DNA(n+1). CC -!- Catalyzes template-independent extension of the 3'-end of a DNA CC strand by one nucleotide at a time. CC -!- Cannot initiate a chain de novo. CC -!- Nucleoside may be ribo- or deoxyribo-. DR O54003, REP75_PYRAB; O57486, TDT_AMBME ; P06526, TDT_BOVIN ; DR P36195, TDT_CHICK ; A4PCD4, TDT_EULMA ; P04053, TDT_HUMAN ; DR O02789, TDT_MONDO ; P09838, TDT_MOUSE ; Q92089, TDT_ONCMY ; DR P42118, TDT_XENLA ; //