PDBe 1hwt

X-ray diffraction
2.5Å resolution

STRUCTURE OF A HAP1/DNA COMPLEX REVEALS DRAMATICALLY ASYMMETRIC DNA BINDING BY A HOMODIMERIC PROTEIN

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
Entry contents:
1 distinct polypeptide molecule
2 distinct DNA molecules
Macromolecules (3 distinct):
Heme-responsive zinc finger transcription factor HAP1 Chains: C, D, G, H
Molecule details ›
Chains: C, D, G, H
Length: 81 amino acids
Theoretical weight: 9.63 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Escherichia coli
UniProt:
  • Canonical: P0CS82 (Residues: 55-135; Coverage: 6%)
Gene names: CYP1, HAP1
Sequence domains: Fungal Zn(2)-Cys(6) binuclear cluster domain
Structure domains: CD2-Gal4
DNA (5'-D(*GP*CP*GP*CP*TP*AP*TP*TP*AP*TP*CP*GP*CP*TP*AP*TP*TP*AP*GP*C)-3') Chains: A, E
Molecule details ›
Chains: A, E
Length: 20 nucleotides
Theoretical weight: 6.1 KDa
Source organism: Synthetic construct
Expression system: Not provided
DNA (5'-D(*GP*CP*TP*AP*AP*TP*AP*GP*CP*GP*AP*TP*AP*AP*TP*AP*GP*CP*GP*C)-3') Chains: B, F
Molecule details ›
Chains: B, F
Length: 20 nucleotides
Theoretical weight: 6.17 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: P212121
Unit cell:
a: 85.6Å b: 85.7Å c: 94Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.246 0.246 0.291
Expression systems:
  • Escherichia coli
  • Not provided