PDBe 4l0y

X-ray diffraction
2.5Å resolution

Crystal structure of Runx1 and Ets1 bound to TCR alpha promoter (crystal form 1)


Function and Biology Details

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
Entry contents:
2 distinct polypeptide molecules
2 distinct DNA molecules
Macromolecules (4 distinct):
Runt-related transcription factor 1 Chain: A
Molecule details ›
Chain: A
Length: 242 amino acids
Theoretical weight: 26.49 KDa
Source organism: Mus musculus
Expression system: Escherichia coli
  • Canonical: Q03347 (Residues: 1-242; Coverage: 54%)
Gene names: Aml1, Cbfa2, Pebp2ab, Runx1
Sequence domains: Runt domain
Structure domains: Immunoglobulin-like
Protein C-ets-1 Chain: B
Molecule details ›
Chain: B
Length: 146 amino acids
Theoretical weight: 16.97 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
  • Canonical: P14921 (Residues: 296-441; Coverage: 33%)
Gene names: ETS1, EWSR2
Sequence domains: Ets-domain
Structure domains: Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain
Molecule details ›
Chain: C
Length: 16 nucleotides
Theoretical weight: 4.84 KDa
Molecule details ›
Chain: D
Length: 16 nucleotides
Theoretical weight: 4.95 KDa

Ligands and Environments

No bound ligands

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 24-ID-E
Spacegroup: C2221
Unit cell:
a: 102.622Å b: 138.945Å c: 98.439Å
α: 90° β: 90° γ: 90°
R R work R free
0.225 0.225 0.245
Expression system: Escherichia coli