Function and Biology

DnaB binding domain of DnaG (P16) from Bacillus stearothermophilus (residues 452-597)

Source organism: Geobacillus stearothermophilus
Biochemical function: ATP binding
Biological process: DNA replication
Cellular component: not assigned

EC 2.7.7.101: DNA primase DnaG

Reaction catalysed:
SsDNA + n NTP = ssDNA/pppN(pN)(n-1) hybrid + (n-1) diphosphate
Systematic name:
Nucleotide 5'-triphosphate:single-stranded DNA nucleotidyltransferase (DNA-RNA hybrid synthesizing)
Alternative Name(s):
  • DnaG

GO terms

Biochemical function:
Biological process:
Cellular component:
  • not assigned

Sequence family

InterPro InterPro annotations
IPR016136
Domain description: DNA helicase DnaB, N-terminal/DNA primase DnaG, C-terminal
Occurring in:
  1. DNA primase
IPR036185
Domain description: DNA helicase, DnaB-like, N-terminal domain superfamily
Occurring in:
  1. DNA primase

Structure domains

CATH CATH domains
6.10.140.360
Class: Special
Architecture: Helix non-globular
Topology: Helix Hairpins
Homology: Helix Hairpins
Occurring in:
  1. DNA primase
The deposited structure of PDB entry 1z8s contains 1 copy of CATH domain 6.10.140.360 (Helix Hairpins) in DNA primase. Showing 1 copy in chain A.
1.10.860.10
Class: Mainly Alpha
Architecture: Orthogonal Bundle
Topology: DNAb Helicase; Chain A
Homology: DNAb Helicase; Chain A
Occurring in:
  1. DNA primase
The deposited structure of PDB entry 1z8s contains 1 copy of CATH domain 1.10.860.10 (DNAb Helicase; Chain A) in DNA primase. Showing 1 copy in chain A.