4a0b

X-ray diffraction
3.8Å resolution

Structure of hsDDB1-drDDB2 bound to a 16 bp CPD-duplex (pyrimidine at D-1 position) at 3.8 A resolution (CPD 4)

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
PDBe Complex ID:
PDB-CPX-117182 (preferred)
Entry contents:
2 distinct polypeptide molecules
2 distinct DNA molecules
Macromolecules (4 distinct):
DNA damage-binding protein 1 Chains: A, C
Molecule details ›
Chains: A, C
Length: 1159 amino acids
Theoretical weight: 129.35 KDa
Source organism: Homo sapiens
Expression system: Trichoplusia ni
UniProt:
  • Canonical: Q16531 (Residues: 1-1140; Coverage: 100%)
Gene names: DDB1, XAP1
Sequence domains:
Structure domains:
DNA damage-binding protein 2 Chains: B, D
Molecule details ›
Chains: B, D
Length: 382 amino acids
Theoretical weight: 43.42 KDa
Source organism: Danio rerio
Expression system: Trichoplusia ni
UniProt:
  • Canonical: Q2YDS1 (Residues: 60-423; Coverage: 73%)
Gene names: ddb2, si:dkey-45f10.3
Sequence domains: WD domain, G-beta repeat
Structure domains:
5'-D(*DGP*GP*TP*GP*AP*AP*AP*(TTD)P*AP*GP*CP*AP*GP*DGP)-3' Chains: G, I
Molecule details ›
Chains: G, I
Length: 15 nucleotides
Theoretical weight: 5.02 KDa
5'-D(*CP*CP*TP*GP*CP*TP*CP*CP*TP*TP*TP*CP*AP*CP*CP*C)-3' Chains: H, J
Molecule details ›
Chains: H, J
Length: 16 nucleotides
Theoretical weight: 4.73 KDa

Ligands and Environments

No bound ligands
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: SLS BEAMLINE X10SA
Unit cell:
a: 113.1Å b: 145.9Å c: 224.44Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.247 0.243 0.319
Expression system: Trichoplusia ni