5lty

X-ray diffraction
2.66Å resolution

Homeobox transcription factor CDX2 bound to methylated DNA

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-118998 (preferred)
Entry contents:
1 distinct polypeptide molecule
2 distinct DNA molecules
Macromolecules (3 distinct):
Homeobox protein CDX-2 Chains: K, M
Molecule details ›
Chains: K, M
Length: 71 amino acids
Theoretical weight: 8.87 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q99626 (Residues: 185-255; Coverage: 23%)
Gene names: CDX2, CDX3
Sequence domains: Homeodomain
DNA (5'-D(P*TP*TP*GP*TP*GP*TP*TP*TP*TP*AP*(5CM)P*GP*AP*CP*CP*TP*CP*C)-3') Chains: A, B
Molecule details ›
Chains: A, B
Length: 18 nucleotides
Theoretical weight: 5.46 KDa
Source organism: Homo sapiens
Expression system: Not provided
DNA (5'-D(P*GP*GP*AP*GP*GP*TP*(5CM)P*GP*TP*AP*AP*AP*AP*CP*AP*CP*AP*A)-3') Chains: E, F
Molecule details ›
Chains: E, F
Length: 18 nucleotides
Theoretical weight: 5.6 KDa
Source organism: Homo sapiens
Expression system: Not provided

Ligands and Environments

No bound ligands
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID23-1
Unit cell:
a: 68.882Å b: 46.613Å c: 120.428Å
α: 90° β: 98.46° γ: 90°
R-values:
R R work R free
0.204 0.202 0.242
Expression systems:
  • Escherichia coli BL21(DE3)
  • Not provided