EC 2.7.7.31: DNA nucleotidylexotransferase
Reaction catalysed:
Deoxynucleoside triphosphate + DNA(n) = diphosphate + DNA(n+1)
Systematic name:
Nucleoside-triphosphate:DNA deoxynucleotidylexotransferase
Alternative Name(s):
- Addase
- Deoxynucleotidyl terminal transferase
- Deoxyribonucleic acid nucleotidyltransferase
- Deoxyribonucleic nucleotidyltransferase
- TdT
- Terminal addition enzyme
- Terminal deoxynucleotide transferase
- Terminal deoxynucleotidyltransferase
- Terminal deoxyribonucleotidyltransferase
- Terminal transferase
GO terms
Biochemical function:
Biological process:
Cellular component:
- not assigned
Sequence families
Protein families (Pfam)
InterPro annotations
IPR001726
Domain description:
DNA nucleotidylexotransferase (TdT) / DNA-directed DNA/RNA polymerase mu
Occurring in:
Occurring in:
Structure domains
CATH domains
3.30.210.10
Class:
Alpha Beta
Architecture:
2-Layer Sandwich
Topology:
Beta Polymerase; domain 3
Homology:
DNA polymerase, thumb domain
Occurring in:
3.30.460.10
Class:
Alpha Beta
Architecture:
2-Layer Sandwich
Topology:
Beta Polymerase; domain 2
Homology:
Beta Polymerase, domain 2
Occurring in:
1.10.150.20
Class:
Mainly Alpha
Architecture:
Orthogonal Bundle
Topology:
DNA polymerase; domain 1
Homology:
5' to 3' exonuclease, C-terminal subdomain
Occurring in: