› 1aay

X-ray diffraction
1.6Å resolution

ZIF268 ZINC FINGER-DNA COMPLEX

Released:
DOI: 10.2210/pdb1aay/pdb
PDB entry 1aay coloured by chain, front view.
PDB entry 1aay coloured by chain, side view.
PDB entry 1aay coloured by chain, top view.
Source organism: Mus musculus
Primary publication:
Zif268 protein-DNA complex refined at 1.6 A: a model system for understanding zinc finger-DNA interactions.
Elrod-Erickson M, Rould MA, Nekludova L, Pabo CO
Structure 4 1171-80 (1996)
PMID: 8939742

Function and Biology Details

Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned
Sequence domains:
Structure domain:

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-505931 (preferred)
Entry contents:
1 distinct polypeptide molecule
2 distinct DNA molecules
Macromolecules (3 distinct):
Early growth response protein 1 Chain: A
Molecule details ›
Chain: A
Length: 90 amino acids
Theoretical weight: 10.85 KDa
Source organism: Mus musculus
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P08046 (Residues: 333-421; Coverage: 17%)
Gene names: Egr-1, Egr1, Krox-24
Sequence domains: Zinc finger, C2H2 type
Structure domains: Classic Zinc Finger
DNA (5'-D(*AP*GP*CP*GP*TP*GP*GP*GP*CP*GP*T)-3') Chain: B
Molecule details ›
Chain: B
Length: 11 nucleotides
Theoretical weight: 3.43 KDa
Source organism: Mus musculus
Expression system: Not provided
DNA (5'-D(*TP*AP*CP*GP*CP*CP*CP*AP*CP*GP*C)-3') Chain: C
Molecule details ›
Chain: C
Length: 11 nucleotides
Theoretical weight: 3.28 KDa
Source organism: Mus musculus
Expression system: Not provided

Ligands and Environments

1 bound ligand:
Ligand ZN 3 x ZN
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RU200
Spacegroup: C2221
Unit cell:
a: 45.4Å b: 56.2Å c: 130.8Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.203 0.195 0.242
Expression systems:
  • Escherichia coli BL21(DE3)
  • Not provided

Quick links

Citations

47 review citations

Sp1- and Krüppel-like transcription factors.
Kaczynski et al. (2003)
46 more

72 mentions without citation

An overview of the structures of protein-DNA complexes.
Luscombe et al. (2000)
71 more