PDBe 1a1l

X-ray diffraction
2.3Å resolution

ZIF268 ZINC FINGER-DNA COMPLEX (GCAC SITE)

Released:

Function and Biology Details

Biochemical function:
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero trimer (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*AP*C)-3') Chain: B
Molecule details ›
Chain: B
Length: 11 nucleotides
Theoretical weight: 3.4 KDa
Source organism: Synthetic construct
Expression system: Not provided
DNA (5'-D(*TP*GP*TP*GP*CP*CP*CP*AP*CP*GP*C)-3') Chain: C
Molecule details ›
Chain: C
Length: 11 nucleotides
Theoretical weight: 3.31 KDa
Source organism: Synthetic construct
Expression system: Not provided

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RU200
Spacegroup: C2221
Unit cell:
a: 43.3Å b: 55.9Å c: 132.5Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.196 0.196 0.267
Expression systems:
  • Escherichia coli BL21(DE3)
  • Not provided