2wt7

X-ray diffraction
2.3Å resolution

Crystal structure of the bZIP heterodimeric complex MafB:cFos bound to DNA

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
PDBe Complex ID:
PDB-CPX-115914 (preferred)
Entry contents:
2 distinct polypeptide molecules
2 distinct DNA molecules
Macromolecules (4 distinct):
Protein c-Fos Chain: A
Molecule details ›
Chain: A
Length: 63 amino acids
Theoretical weight: 7.52 KDa
Source organism: Mus musculus
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P01101 (Residues: 138-200; Coverage: 17%)
Gene name: Fos
Sequence domains: bZIP transcription factor
Structure domains: Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Transcription factor MafB Chain: B
Molecule details ›
Chain: B
Length: 90 amino acids
Theoretical weight: 10.92 KDa
Source organism: Mus musculus
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P54841 (Residues: 214-303; Coverage: 28%)
Gene names: Krml, Maf1, Mafb
Sequence domains: bZIP Maf transcription factor
Structure domains: Single alpha-helices involved in coiled-coils or other helix-helix interfaces
MODIFIED T-MARE MOTIF Chain: C
Molecule details ›
Chain: C
Length: 16 nucleotides
Theoretical weight: 4.9 KDa
MODIFIED T-MARE MOTIF Chain: D
Molecule details ›
Chain: D
Length: 16 nucleotides
Theoretical weight: 4.9 KDa

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: EMBL/DESY, HAMBURG BEAMLINE X11, EMBL/DESY, HAMBURG BEAMLINE BW7A
Spacegroup: P62
Unit cell:
a: 146.676Å b: 146.676Å c: 51.117Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.23 0.228 0.256
Expression system: Escherichia coli BL21(DE3)