› 1eqn

X-ray diffraction
2.9Å resolution

Function and Biology Details

Reaction catalysed: 
SsDNA + n NTP = ssDNA/pppN(pN)(n-1) hybrid + (n-1) diphosphate
Biochemical function:
Biological process:
Cellular component:
  • not assigned
Sequence domains:
Structure domain:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-142202 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
DNA primase Chains: A, B, C, D, E
Molecule details ›
Chains: A, B, C, D, E
Length: 321 amino acids
Theoretical weight: 36.62 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P0ABS5 (Residues: 111-429; Coverage: 55%)
Gene names: JW3038, b3066, dnaG, dnaP, parB
Sequence domains:
Structure domains:

Ligands and Environments

No bound ligands
1 modified residue:
Ligand MSE 45 x MSE

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X4A
Spacegroup: P212121
Unit cell:
a: 62.674Å b: 107.626Å c: 263.069Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.239 0.22 0.276
Expression system: Escherichia coli

Quick links

Citations

12 review citations

SSB as an organizer/mobilizer of genome maintenance complexes.
Shereda et al. (2008)
11 more

3 mentions without citation

Architecture and conservation of the bacterial DNA replication machinery, an underexploited drug target.
Robinson et al. (2012)
2 more