6drt

X-ray diffraction
2.12Å resolution

Crystal structure of the processivity clamp GP45 complexed with recognition peptide of ligase from bacteriophage T4

Released:

Function and Biology Details

Reaction catalysed:
(1a) ATP + [DNA ligase]-L-lysine = [DNA ligase]-N(6)-(5'-adenylyl)-L-lysine + diphosphate
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero hexamer (preferred)
PDBe Complex ID:
PDB-CPX-524506 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Sliding clamp Chains: A, B, C
Molecule details ›
Chains: A, B, C
Length: 236 amino acids
Theoretical weight: 25.95 KDa
Source organism: Tequatrovirus T4
Expression system: Escherichia coli
UniProt:
  • Canonical: P04525 (Residues: 1-228; Coverage: 100%)
Gene name: 45
Sequence domains:
Structure domains: Proliferating Cell Nuclear Antigen
DNA ligase Chains: D, E, F
Molecule details ›
Chains: D, E, F
Length: 13 amino acids
Theoretical weight: 1.51 KDa
Source organism: Tequatrovirus T4
Expression system: Not provided
UniProt:
  • Canonical: P00970 (Residues: 225-237; Coverage: 3%)
Gene name: 30

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 24-ID-E
Spacegroup: P212121
Unit cell:
a: 63.757Å b: 90.95Å c: 151.403Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.201 0.199 0.24
Expression systems:
  • Escherichia coli
  • Not provided