4mky

X-ray diffraction
2.4Å resolution

Polymerase Domain from Mycobacterium tuberculosis Ligase D in complex with an annealed double-strand DNA break.

Released:

Function and Biology Details

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

Structure analysis Details

Assembly composition:
hetero hexamer (preferred)
PDBe Complex ID:
PDB-CPX-117856 (preferred)
Entry contents:
1 distinct polypeptide molecule
2 distinct DNA molecules
Macromolecules (3 distinct):
Multifunctional non-homologous end joining DNA repair protein LigD Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 303 amino acids
Theoretical weight: 32.83 KDa
Source organism: Mycobacterium tuberculosis
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P9WNV3 (Residues: 1-300; Coverage: 40%)
Gene names: MTCY08D9.01c, MTCY10D7.36c, Rv0938, ligD
Sequence domains: LigD, primase-polymerase domain
Structure domains: Alpha-Beta Plaits
5'-D(P*DGP*DCP*DGP*DGP*DC)-3' Chains: E, G, I, K
Molecule details ›
Chains: E, G, I, K
Length: 5 nucleotides
Theoretical weight: 1.52 KDa
Source organism: Mycobacterium tuberculosis
Expression system: Not provided
5'-D(*DGP*DCP*DCP*DGP*DCP*DAP*DGP*DTP*DAP*DC)-3' Chains: F, H, J, L
Molecule details ›
Chains: F, H, J, L
Length: 10 nucleotides
Theoretical weight: 3.03 KDa
Source organism: Mycobacterium tuberculosis
Expression system: Not provided

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU MICROMAX-007 HF
Spacegroup: P21
Unit cell:
a: 87.58Å b: 80.11Å c: 118.39Å
α: 90° β: 111.62° γ: 90°
R-values:
R R work R free
0.2 0.197 0.245
Expression systems:
  • Escherichia coli BL21(DE3)
  • Not provided